Biosignatures
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Biggest Space Discoveries in 2025: From New Comets and Black Holes to Sign of Life on Mars
The year 2025 proved extraordinary for astronomy, delivering discoveries that stretched from our cosmic backyard to distant galaxies. Scientists tracked Comet 3I/ATLAS, only the third known interstellar object, while nearby stars like Barnard’s Star and Alpha Centauri revealed new planetary companions. On Mars, strange “leopard spots” raised ...
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New Habitability Model Helps Identify Which Alien Planets Might Be Able to Host Life
A NASA-developed model now enables scientists to estimate the likelihood of life on distant planets or moons using limited and uncertain remote-sensing data. By comparing habitat conditions with known lifeforms or hypothetical organisms, the framework offers a probabilistic tool to assess alien environments and improve telescope targeting in the on...
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Europa Could Briefly Sustain Life When the Sun Becomes a Red Giant Star, Scientists Say
Scientists at Cornell’s Carl Sagan Institute propose that Jupiter’s moon Europa could host life for up to 200 million years during the sun’s red giant phase. While Earth would be incinerated, Europa’s subsurface oceans might temporarily support microbial life, offering a final refuge in the solar system and expanding the search for biosigna...
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Earth Will Lose Its Oxygen: Scientists Warn Of A Rapid Countdown
The findings also suggest oxygen may not be a permanent biosignature on habitable planets, impacting the search for extraterrestrial life.
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New Analysis Weakens Claims of Life on Distant Exoplanet K2-18b
A new study led by University of Chicago researchers has reanalyzed James Webb Space Telescope data and found weaker evidence for potential biosignatures on exoplanet K2-18b. Earlier reports had suggested the presence of dimethyl sulfide (DMS), a chemical associated with marine life on Earth. However, the latest analysis reveals that the signals ar...
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NASA’s Perseverance Explores Mars' Oldest Rocks in Krokodillen Region
NASA’s Perseverance rover has reached Krokodillen, a 73-acre plateau near Jezero Crater's rim believed to host some of Mars’ oldest rocks. Preliminary data shows signs of clays, carbonates, and olivine minerals, suggesting ancient water activity. Currently examining a site named Copper Cove, the rover is using a new sampling strategy that allow...
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New Study Challenges Signs of Life on Exoplanet K2-18b
A bold claim of alien life on exoplanet K2-18b is now under scrutiny as a new analysis finds the data too weak to support earlier detections of dimethyl sulfide — a potential biosignature. Experts urge caution, noting that more robust, peer-reviewed evidence is needed before confirming the presence of life or habitable conditions on the planet.
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SpaceX Launches Falcon 9 Rocket With 28 Starlink Satellites Into Orbit From Florida
SpaceX’s Falcon 9 rocket launched 28 Starlink satellites into low-Earth orbit from Florida, marking the company’s 34th Starlink mission for 2025. The booster B1080 landed successfully on a drone ship after its 18th flight. These new satellites will expand the Starlink megaconstellation, bringing high-speed internet access to more parts of the g...
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Signs of Alien Life Detected on Nearby Exoplanet Using NASA’s James Webb Space Telescope
Astronomers have detected possible biosignature gases, including dimethyl sulfide (DMS), in the atmosphere of exoplanet K2-18b using NASA’s James Webb Space Telescope. Located in the habitable zone, this “Hycean” world may host a vast ocean and a hydrogen-rich atmosphere, raising intriguing possibilities about alien life. Further research is ...
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NASA’s Perseverance Rover Discovers a Large Number of Unique Rock Samples on Jezero Crater’s Rim
NASA's Perseverance rover is exploring the Martian rim of Jezero Crater, a crater filled with rocky outcrops. The mission has cored five rocks, performed up-close analysis of seven rocks, and analysed another 83 from afar using a laser. The diversity of rocks found has exceeded expectations, with tons of fragmented once-molten rocks and formerly un...
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Biggest Space Discoveries in 2025: From New Comets and Black Holes to Sign of Life on Mars
The year 2025 proved extraordinary for astronomy, delivering discoveries that stretched from our cosmic backyard to distant galaxies. Scientists tracked Comet 3I/ATLAS, only the third known interstellar object, while nearby stars like Barnard’s Star and Alpha Centauri revealed new planetary companions. On Mars, strange “leopard spots” raised ...
-
New Habitability Model Helps Identify Which Alien Planets Might Be Able to Host Life
A NASA-developed model now enables scientists to estimate the likelihood of life on distant planets or moons using limited and uncertain remote-sensing data. By comparing habitat conditions with known lifeforms or hypothetical organisms, the framework offers a probabilistic tool to assess alien environments and improve telescope targeting in the on...
-
Europa Could Briefly Sustain Life When the Sun Becomes a Red Giant Star, Scientists Say
Scientists at Cornell’s Carl Sagan Institute propose that Jupiter’s moon Europa could host life for up to 200 million years during the sun’s red giant phase. While Earth would be incinerated, Europa’s subsurface oceans might temporarily support microbial life, offering a final refuge in the solar system and expanding the search for biosigna...
-
Earth Will Lose Its Oxygen: Scientists Warn Of A Rapid Countdown
The findings also suggest oxygen may not be a permanent biosignature on habitable planets, impacting the search for extraterrestrial life.
-
New Analysis Weakens Claims of Life on Distant Exoplanet K2-18b
A new study led by University of Chicago researchers has reanalyzed James Webb Space Telescope data and found weaker evidence for potential biosignatures on exoplanet K2-18b. Earlier reports had suggested the presence of dimethyl sulfide (DMS), a chemical associated with marine life on Earth. However, the latest analysis reveals that the signals ar...
-
NASA’s Perseverance Explores Mars' Oldest Rocks in Krokodillen Region
NASA’s Perseverance rover has reached Krokodillen, a 73-acre plateau near Jezero Crater's rim believed to host some of Mars’ oldest rocks. Preliminary data shows signs of clays, carbonates, and olivine minerals, suggesting ancient water activity. Currently examining a site named Copper Cove, the rover is using a new sampling strategy that allow...
-
New Study Challenges Signs of Life on Exoplanet K2-18b
A bold claim of alien life on exoplanet K2-18b is now under scrutiny as a new analysis finds the data too weak to support earlier detections of dimethyl sulfide — a potential biosignature. Experts urge caution, noting that more robust, peer-reviewed evidence is needed before confirming the presence of life or habitable conditions on the planet.
-
SpaceX Launches Falcon 9 Rocket With 28 Starlink Satellites Into Orbit From Florida
SpaceX’s Falcon 9 rocket launched 28 Starlink satellites into low-Earth orbit from Florida, marking the company’s 34th Starlink mission for 2025. The booster B1080 landed successfully on a drone ship after its 18th flight. These new satellites will expand the Starlink megaconstellation, bringing high-speed internet access to more parts of the g...
-
Signs of Alien Life Detected on Nearby Exoplanet Using NASA’s James Webb Space Telescope
Astronomers have detected possible biosignature gases, including dimethyl sulfide (DMS), in the atmosphere of exoplanet K2-18b using NASA’s James Webb Space Telescope. Located in the habitable zone, this “Hycean” world may host a vast ocean and a hydrogen-rich atmosphere, raising intriguing possibilities about alien life. Further research is ...
-
NASA’s Perseverance Rover Discovers a Large Number of Unique Rock Samples on Jezero Crater’s Rim
NASA's Perseverance rover is exploring the Martian rim of Jezero Crater, a crater filled with rocky outcrops. The mission has cored five rocks, performed up-close analysis of seven rocks, and analysed another 83 from afar using a laser. The diversity of rocks found has exceeded expectations, with tons of fragmented once-molten rocks and formerly un...
