Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed ...

Astronomers have identified a super-Earth orbiting a Sun-like star just 20 light-years away, making it one of the closest and most promising candidates for studying Earth-like atmospheres. The planet, ...

A newly found super-Earth could help provide answers as to why there are hardly any planets twice the diameter of Earth.

"That probably means they are too hot to be habitable." The new findings also likely rule ... future human generations might ...

Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from some of ...

The planets are all too hot for life as we know it, but astronomers haven’t given up searching for more planets in Barnard's ...

Curiosity has previously discovered small organic molecules on Mars, but these recently found compounds are larger and would ...

Only the three stars that make up the Alpha Centauri system lie closer to us. The planets newly discovered around Barnard’s Star are much too faint to be seen directly, so how were they found? The ...

First discovered by E. E ... the existence of other planets in the habitable zone around Barnard's Star. Barnard's Star has been called the "great white whale" for planet hunters; several times ...

Astronomers should search for technosignatures on planets that are not conducive to life. Harvard astronomer Avi Loeb ...