Trappist-1 is a fascinating exoplanetary system. Seven worlds orbiting a red dwarf star just 40 light-years away. All of the worlds are similar to Earth in mass and size, and three or four of them are potentially habitable. ...
Astrobiology
Feb 5, 2024
1
61
Proxima Centauri b is the closest exoplanet to Earth. It is an Earth-mass world right in the habitable zone of a red dwarf star just 4 light-years from Earth. It receives about 65% of the energy Earth gets from the sun, and ...
Astronomy
Jan 24, 2024
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83
Barnard's Star is a small red dwarf just six light-years from Earth. Despite its proximity, it was only noticed in 1916 when E. E. Barnard found it had a particularly high proper motion. It had appeared in photographic plates ...
Astronomy
Oct 2, 2023
0
36
Aliens are big in the news recently, fueled by congressional hearings about unidentified anomalous phenomena (UAPs), formally known as UFOs. But while the idea of aliens visiting Earth may be exciting, the better bet is still ...
Astrobiology
Aug 2, 2023
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166
If we ever find life on other worlds, it is unlikely to be a powerful message from space. It's certainly possible that an alien civilization specifically sends us a radio message like a scene out of Contact, but the more ...
Astrobiology
May 4, 2023
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69
Aliens on nearby stars could detect Earth through radio signals leaked from the planet, new research suggests.
Astronomy
May 2, 2023
13
735
Could vast, long-hidden oceans be teeming with alien life in our very own Solar System?
Planetary Sciences
Apr 12, 2023
0
171
In the search for life elsewhere in the universe, scientists have traditionally looked for planets with liquid water at their surface. But, rather than flowing as oceans and rivers, much of a planet's water can be locked ...
Astronomy
Mar 15, 2023
0
343
A team of physicists affiliated with several institutions in the U.S. has collaborated on a paper that discusses the possibility of using the Laser Interferometer Gravitational Wave Observatory (LIGO) to search for evidence ...
We've had a long-running series here at UT on potential solutions Fermi paradox—why aren't we able to detect any alien life out there in the Universe? But more possible solutions are being developed all the time. Now, another ...
Space Exploration
Dec 6, 2022
2
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