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Scientists Believe Earth Was Purple 2.4 Billion Years Ago. Here's What It Means For Future
The Purple Earth Hypothesis has significant implications for the search for life on other planets.
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Green And Purple Auroras Are Lighting Up Skies Far Beyond The Poles, Here's Why
As enthusiasm for viewing the aurora grows, scientists are also working to understand their beauty as well as their environmental impacts.
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Interstellar Comet 3I/ATLAS: NASA-Approved Answers To 10 FAQs
NASA mentioned that the Interstellar Comet 3I/ATLAS has been approaching from the general direction of the constellation Sagittarius.
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3I/ATLAS Still Shows Anti-Tail Ahead Of Closest Approach To Earth, Says Harvard Scientist
The scientist said that the rotational-gradient brightness map shows a prominent anti-tail pointing in the direction of the Sun.
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Interstellar Comet 3I/ATLAS Turns Green Ahead Of Closest Approach To Earth
3I/ATLAS has offered scientists a unique opportunity to study material formed around another star.
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NASA Confirms Brightening Comet SWAN Could Be Visible With Binoculars: When and Where to See It
Comet SWAN (C/2025 R2), discovered via NASA’s SOHO spacecraft, is rapidly brightening as it nears its October 20–21 Earth flyby. Skywatchers should look to the western horizon after sunset to spot its vivid green coma and tail — possibly visible to the naked eye in dark conditions.
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Solar Wind Cuts Comet Lemmon’s Tail In Rare Disconnection Event
Astrophotographer Brennan Gilmore captured a rare “disconnection event” on Oct. 2, showing solar wind cutting Comet Lemmon’s glowing green ion tail. The comet, nearing its October 2025 flyby, displayed a vivid coma and long tail—revealing how solar activity reshapes comets in real time.
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Natural Hydrogen In Earth's Crust Can Power Green Energy: Study
Since their formation billions of years ago, the oldest parts of the Earth's continental rocks have generated natural hydrogen in massive amounts.
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How A 75-Year-Old Letter Leads To Rare Mineral Discovery
A letter lost for 75 years in a Bavarian archive led to the remarkable discovery of humboldtine, one of Earth's rarest minerals, doubling Germany's known reserves and offering potential for green technology.
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Earth Trapping More Heat Than Expected, Rate Doubled In 20 Years
How do you measure climate change? One way is by recording temperatures in different places over a long period of time. While this works well, natural variation can make it harder to see longer-term trends.
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Scientists Believe Earth Was Purple 2.4 Billion Years Ago. Here's What It Means For Future
The Purple Earth Hypothesis has significant implications for the search for life on other planets.
-
Green And Purple Auroras Are Lighting Up Skies Far Beyond The Poles, Here's Why
As enthusiasm for viewing the aurora grows, scientists are also working to understand their beauty as well as their environmental impacts.
-
Interstellar Comet 3I/ATLAS: NASA-Approved Answers To 10 FAQs
NASA mentioned that the Interstellar Comet 3I/ATLAS has been approaching from the general direction of the constellation Sagittarius.
-
3I/ATLAS Still Shows Anti-Tail Ahead Of Closest Approach To Earth, Says Harvard Scientist
The scientist said that the rotational-gradient brightness map shows a prominent anti-tail pointing in the direction of the Sun.
-
Interstellar Comet 3I/ATLAS Turns Green Ahead Of Closest Approach To Earth
3I/ATLAS has offered scientists a unique opportunity to study material formed around another star.
-
NASA Confirms Brightening Comet SWAN Could Be Visible With Binoculars: When and Where to See It
Comet SWAN (C/2025 R2), discovered via NASA’s SOHO spacecraft, is rapidly brightening as it nears its October 20–21 Earth flyby. Skywatchers should look to the western horizon after sunset to spot its vivid green coma and tail — possibly visible to the naked eye in dark conditions.
-
Solar Wind Cuts Comet Lemmon’s Tail In Rare Disconnection Event
Astrophotographer Brennan Gilmore captured a rare “disconnection event” on Oct. 2, showing solar wind cutting Comet Lemmon’s glowing green ion tail. The comet, nearing its October 2025 flyby, displayed a vivid coma and long tail—revealing how solar activity reshapes comets in real time.
-
Natural Hydrogen In Earth's Crust Can Power Green Energy: Study
Since their formation billions of years ago, the oldest parts of the Earth's continental rocks have generated natural hydrogen in massive amounts.
-
How A 75-Year-Old Letter Leads To Rare Mineral Discovery
A letter lost for 75 years in a Bavarian archive led to the remarkable discovery of humboldtine, one of Earth's rarest minerals, doubling Germany's known reserves and offering potential for green technology.
-
Earth Trapping More Heat Than Expected, Rate Doubled In 20 Years
How do you measure climate change? One way is by recording temperatures in different places over a long period of time. While this works well, natural variation can make it harder to see longer-term trends.
