WBAL-TV15h
Supernovas may have had a role in two of Earth’s largest mass extinctions, study suggests
A research team linked nearby stellar explosions to at least one, possibly two, mass die-offs after calculating the supernova ...
Live Science18h
Scientists discover smallest galaxy ever seen: 'It's like having a perfectly functional human being that's the size of a grain of rice'
Astronomers have discovered the smallest dwarf galaxy ever seen. It is a mystery how the satellite galaxy of Andromeda ...