NASA's Perseverance rover has collected 23 samples of rock so far in Jezero Crater on Mars. Analysis shows the ancient lake in the crater was quite habitable.
In December 2023, at the American Geophysical Union meeting in San Francisco, scientists discussed a rare "disappearance" of the solar wind at the planet Mars.
NASA's Webb space telescope has found a tiny brown dwarf that is the smallest free-floating brown dwarf ever seen. Scientists aren't quite sure how it formed.
Astronomers in Germany say that 2 possible giant exomoons probably don't actually exist. That's disappointing, but there are still some other candidates.
Do the plumes on Enceladus contain evidence of life from the moon's ocean? A new study shows that amino acids could survive and be detectable by spacecraft.