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Mercury Has Shrunk by Several Kilometers Over Billions of Years, Scientists Report
Mercury’s surface reveals it has been shrinking for billions of years due to cooling and faulting. A new study estimates the planet’s radius has contracted by 2.7–5.6 kilometers, offering the most precise figures yet. The findings sharpen understanding of Mercury’s thermal evolution and could help scientists apply the same techniques to tec...
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SpaceX to Fly Italian Science Experiments to Mars on Starship in 2026
SpaceX has signed a landmark agreement with the Italian Space Agency (ASI) to deliver Italian science experiments to Mars aboard its Starship rocket. Announced on August 7, 2025, the mission will carry a plant-growth module, a meteorological station, and a radiation detector to collect crucial data during the six-month journey and on the Martian su...
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Earth’s Oldest Impact Crater Turns Out to Be Much Younger, Scientists Reveal in New Study
The Miralga impact crater in Western Australia, once thought to be Earth’s oldest at 3.5 billion years, has now been redated to after 2.7 billion years ago. With a revised diameter of just 16 kilometers, the structure no longer supports theories of early crust or life formation, but remains scientifically valuable for studying Mars-like planetary...
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Scientists Explore Role of Space Radiation in Powering Alien Microbial Life
A new study proposes that life may exist far from sunlight in a “radiolytic habitable zone” deep beneath the icy surfaces of Mars, Europa, and Enceladus. Cosmic rays, which can penetrate rock and ice, break water molecules apart to release hydrogen, oxygen, and energy-rich electrons. These can fuel microbes in subsurface water, much like bacter...
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Glaciers On Mars Are Mostly Water Ice, Study Finds
Scientists used the SHAllow RADar (SHARAD) instrument on NASA's Mars Reconnaissance Orbiter to study the glaciers.
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New Study Reveals Mars Faced Heavy Rains: Possible Clue to Ancient Life
The revelation that Mars once had Earth-like rainfall reshapes our understanding of planetary evolution. The insights support the theory that early Mars was far more hospitable than previously believed, possibly housing primitive life forms. The findings could guide future missions like NASA’s Perseverance in locating signs of fossilised organism...
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Mars Dust Devils May Spark Lightning, Might Pose Risks to Rovers: Study
A new computer-modeling study reveals that dust devils on Mars—swirling columns of dust and air—may become electrically charged enough to spark lightning-like discharges. Led by researcher Varun Sheel, the study simulates how dry Martian conditions and frictional collisions between dust grains can generate strong electric fields inside these vo...
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NASA's Perseverance Grinds Into ‘Weird’ Martian Rock to Uncover Signs of Ancient Habitability
NASA’s Perseverance rover is grinding into a strange Martian rock called Kenmore to study its inner makeup and potential for preserving signs of ancient life. The rock yielded clay and feldspar and, for the first time, manganese hydroxide, all key indicators of water-related processes and possible habitability on early Mars.
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Curiosity Examines Spiderweb-Like Boxwork Pattern On Mars. Here's Why It's Significant
The Curiosity rover has been studying these formations in the Gale Crater.
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Perseverance Rover Studies Ancient Martian Rocks at Fallbreen and Forlandet Quadrangle
NASA's Perseverance rover reached new ground on June 7, 2025, exploring ancient Martian terrain at Fallbreen and moving into the Forlandet quadrangle near Jezero Crater. This region may contain Mars' oldest rocks, offering key insights into the planet’s early geology. The mission also honors Earth's own exploration history by naming Martian sites...
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AI Reveals Mars’s Mysterious Slope Streaks Likely Formed by Dust, Not Water Activity
An AI-based study has found that Mars’s mysterious dark slope streaks are likely formed by dust and wind, not flowing water as long believed. Based on an analysis of over 86,000 satellite images, the findings challenge past theories and may help scientists focus future Mars missions on more promising areas in the search for ancient life.
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The Promise And Peril Of A Crewed Mars Mission
Mars mission would pursue scientific objectives like determining whether Mars ever hosted life and charting the evolution of its surface, as well as answering broader questions -- such as the history of the Sun through studying Martian soil.
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MAVEN Reveals How Mars Lost Its Atmosphere and Became a Barren World
NASA’s MAVEN spacecraft has provided the first direct evidence of "sputtering"—a powerful atmospheric escape process where solar wind particles blast atoms off Mars. The newly published study confirms that this process played a major role in the Red Planet’s transformation from a once-wet, habitable world to its current barren state. Argon ga...
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New Study Uses AI to Reveal Dry Origins of Mars’ Mysterious Slope Streaks
A new study by researchers at Brown University and the University of Bern used machine learning to analyze 86,000 high-resolution images of Mars. Their findings suggest that recurring slope lineae (RSLs)—dark streaks once thought to indicate liquid water—are actually caused by dry processes like wind and dust movement. With over 500,000 feature...
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Water on Ancient Mars? New Study Challenges the Cold Planet Theory
Scientists have uncovered compelling evidence suggesting that early Mars was surprisingly wet, featuring extensive networks of lakes and river basins shaped by rainfall and snowfall. This challenges long-held views of a predominantly cold and icy ancient Mars. Despite current climate models struggling to explain sustained liquid water on the Red Pl...
-
Mercury Has Shrunk by Several Kilometers Over Billions of Years, Scientists Report
Mercury’s surface reveals it has been shrinking for billions of years due to cooling and faulting. A new study estimates the planet’s radius has contracted by 2.7–5.6 kilometers, offering the most precise figures yet. The findings sharpen understanding of Mercury’s thermal evolution and could help scientists apply the same techniques to tec...
-
SpaceX to Fly Italian Science Experiments to Mars on Starship in 2026
SpaceX has signed a landmark agreement with the Italian Space Agency (ASI) to deliver Italian science experiments to Mars aboard its Starship rocket. Announced on August 7, 2025, the mission will carry a plant-growth module, a meteorological station, and a radiation detector to collect crucial data during the six-month journey and on the Martian su...
-
Earth’s Oldest Impact Crater Turns Out to Be Much Younger, Scientists Reveal in New Study
The Miralga impact crater in Western Australia, once thought to be Earth’s oldest at 3.5 billion years, has now been redated to after 2.7 billion years ago. With a revised diameter of just 16 kilometers, the structure no longer supports theories of early crust or life formation, but remains scientifically valuable for studying Mars-like planetary...
-
Scientists Explore Role of Space Radiation in Powering Alien Microbial Life
A new study proposes that life may exist far from sunlight in a “radiolytic habitable zone” deep beneath the icy surfaces of Mars, Europa, and Enceladus. Cosmic rays, which can penetrate rock and ice, break water molecules apart to release hydrogen, oxygen, and energy-rich electrons. These can fuel microbes in subsurface water, much like bacter...
-
Glaciers On Mars Are Mostly Water Ice, Study Finds
Scientists used the SHAllow RADar (SHARAD) instrument on NASA's Mars Reconnaissance Orbiter to study the glaciers.
-
New Study Reveals Mars Faced Heavy Rains: Possible Clue to Ancient Life
The revelation that Mars once had Earth-like rainfall reshapes our understanding of planetary evolution. The insights support the theory that early Mars was far more hospitable than previously believed, possibly housing primitive life forms. The findings could guide future missions like NASA’s Perseverance in locating signs of fossilised organism...
-
Mars Dust Devils May Spark Lightning, Might Pose Risks to Rovers: Study
A new computer-modeling study reveals that dust devils on Mars—swirling columns of dust and air—may become electrically charged enough to spark lightning-like discharges. Led by researcher Varun Sheel, the study simulates how dry Martian conditions and frictional collisions between dust grains can generate strong electric fields inside these vo...
-
NASA's Perseverance Grinds Into ‘Weird’ Martian Rock to Uncover Signs of Ancient Habitability
NASA’s Perseverance rover is grinding into a strange Martian rock called Kenmore to study its inner makeup and potential for preserving signs of ancient life. The rock yielded clay and feldspar and, for the first time, manganese hydroxide, all key indicators of water-related processes and possible habitability on early Mars.
-
Curiosity Examines Spiderweb-Like Boxwork Pattern On Mars. Here's Why It's Significant
The Curiosity rover has been studying these formations in the Gale Crater.
-
Perseverance Rover Studies Ancient Martian Rocks at Fallbreen and Forlandet Quadrangle
NASA's Perseverance rover reached new ground on June 7, 2025, exploring ancient Martian terrain at Fallbreen and moving into the Forlandet quadrangle near Jezero Crater. This region may contain Mars' oldest rocks, offering key insights into the planet’s early geology. The mission also honors Earth's own exploration history by naming Martian sites...
-
AI Reveals Mars’s Mysterious Slope Streaks Likely Formed by Dust, Not Water Activity
An AI-based study has found that Mars’s mysterious dark slope streaks are likely formed by dust and wind, not flowing water as long believed. Based on an analysis of over 86,000 satellite images, the findings challenge past theories and may help scientists focus future Mars missions on more promising areas in the search for ancient life.
-
The Promise And Peril Of A Crewed Mars Mission
Mars mission would pursue scientific objectives like determining whether Mars ever hosted life and charting the evolution of its surface, as well as answering broader questions -- such as the history of the Sun through studying Martian soil.
-
MAVEN Reveals How Mars Lost Its Atmosphere and Became a Barren World
NASA’s MAVEN spacecraft has provided the first direct evidence of "sputtering"—a powerful atmospheric escape process where solar wind particles blast atoms off Mars. The newly published study confirms that this process played a major role in the Red Planet’s transformation from a once-wet, habitable world to its current barren state. Argon ga...
-
New Study Uses AI to Reveal Dry Origins of Mars’ Mysterious Slope Streaks
A new study by researchers at Brown University and the University of Bern used machine learning to analyze 86,000 high-resolution images of Mars. Their findings suggest that recurring slope lineae (RSLs)—dark streaks once thought to indicate liquid water—are actually caused by dry processes like wind and dust movement. With over 500,000 feature...
-
Water on Ancient Mars? New Study Challenges the Cold Planet Theory
Scientists have uncovered compelling evidence suggesting that early Mars was surprisingly wet, featuring extensive networks of lakes and river basins shaped by rainfall and snowfall. This challenges long-held views of a predominantly cold and icy ancient Mars. Despite current climate models struggling to explain sustained liquid water on the Red Pl...
