Is or was there life on Mars? That profound question is so complex that it will not be fully answered by the two NASA rovers now exploring it.
Astrobiology
Mar 12, 2024
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16
When it launches in October, the agency's Europa Clipper spacecraft will carry a richly layered dispatch that includes more than 2.6 million names submitted by the public.
Space Exploration
Mar 8, 2024
2
279
Technosignature research is heating up, with plenty of papers speculating on the nature, and sometimes the longevity, of signals created by technically advanced extraterrestrial civilizations. While we haven't found any so ...
Astrobiology
Mar 8, 2024
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46
Sound waves thought to be from a 2014 meteor fireball north of Papua New Guinea were almost certainly vibrations from a truck rumbling along a nearby road, new Johns Hopkins University-led research shows. The findings raise ...
Astronomy
Mar 7, 2024
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348
Evolution has produced a wondrously diverse variety of lifeforms here on Earth. It just so happens that talking primates with opposable thumbs rose to the top and are building a spacefaring civilization. And we're land-dwellers. ...
Astrobiology
Feb 28, 2024
5
148
Organic materials discovered on Mars may have originated from atmospheric formaldehyde, according to new research, marking a step forward in our understanding of the possibility of past life on the red planet.
Astrobiology
Feb 28, 2024
1
190
In July of 2023, retired commander in the U.S. Navy David Fravor testified to the House Oversight Committee about a mysterious, Tic Tac-shaped object that he and three others observed over the Pacific Ocean in 2004. The congressional ...
Space Exploration
Feb 28, 2024
1
79
Just over five years ago, on 22 February 2019, an unmanned space probe was placed in orbit around the moon. Named Beresheet and built by SpaceIL and Israel Aerospace Industries, it was intended to be the first private spacecraft ...
Space Exploration
Feb 27, 2024
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20
Discovering exoplanets is almost routine now. We've found over 5,500 exoplanets, and the next step is to study their atmospheres and look for biosignatures. The James Webb Space Telescope is leading the way in that effort. ...
Astrobiology
Feb 27, 2024
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10
Life on our planet appeared early in Earth's history. Surprisingly early, since in its early youth our planet didn't have much of the chemical ingredients necessary for life to evolve. Since prebiotic chemicals such as sugars ...
Astrobiology
Feb 26, 2024
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13
