Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

Primordial supernovae got the ball rolling a quick hundred million years or so after the start of the universe.

Life could have the time and energy to arise and prosper on Earth-like worlds in the rapidly shrinking "Goldilocks zones" ...

Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...

Researchers are using basalt spectra to study exoplanets and search for water with the James Webb Space Telescope. By ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

Astrophysicists have been grappling with the question of how water arrived on our young planet for decades. One of the earliest hypotheses suggested that Earth’s water was a direct byproduct of ...

The planetary parade — what appears to be a straight-line formation of several planets in the night sky — is expected to grace our night skies on Friday, Feb. 28. While it won’t be easy to ...

They’re probably rocky planets, with bare-rock surfaces blasted by their star’s radiation. They’ll be too hot to hold liquid water, and any atmosphere is likely to have been stripped away.