The space between stars may seem like a barren desert, but over the past few decades scientists have been finding all sorts of interesting chemicals in it. From the precursors to proteins to the building blocks of cell membranes, ...
Astronomy
Jun 10, 2026
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There's a question at the heart of SETI that doesn't get nearly enough attention. It isn't whether aliens exist, and it isn't whether we have the technology to detect them. It's a far more practical problem: With a billion ...
Astrobiology
Jun 10, 2026
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26
The asteroid that caused the extinction of the dinosaurs also created an underground environment suited to supporting new life, and new research suggests it lasted for millions of years longer than previously suspected.
Astrobiology
Jun 9, 2026
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92
Asteroids and planetesimals regularly bombarded Earth between about 4.6 billion and 3.5 billion years ago, during the Hadean and Archean eons. Because few rocks today are more than 4 billion years old, our understanding of ...
Astrobiology
Jun 8, 2026
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37
The IAA SETI Committee has updated rules for evaluating and revealing the detection of extraterrestrial intelligence.
Astronomy
Jun 8, 2026
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26
