'Devastating' Supernovae Caused Two Mass Extinctions, Claim Astrophysicists
Two of Earth's largest mass extinction events were likely triggered by the fallout from two supernovae in nearby space. This ...
Entire planetary system of four tiny exoplanets found orbiting the nearest single star to ...
Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...