From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.
Space.com on MSN
The most exciting exoplanet discoveries of 2025
In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...
When the interstellar traveler 'Oumuamua sped through our solar system in 2017, it left behind a lot of unanswered questions ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results