For every galaxy that's visible from Earth, there are nine smaller ones that we can't see, even with all the technology we've ...

What can imaging supernovae (plural for supernova) explosions teach astronomers about their behavior and physical characteristics? This is what a recent study published in Nature Astronomy hopes to ...

NEW YORK – Scientists for the first time have spotted the insides of a dying star as it exploded, offering a rare peek into stellar evolution. Stars can live for millions to trillions of years until ...

NASA plans to launch a mini satellite into Earth's orbit that could revolutionize astronomy as we know it.

Dark matter, if it exists, is probably in the latter category. If hypothetical weakly interacting massive particles (WIMPs) are real, their collisions with regular matter may have left fossil traces ...

Gold, uranium, and other heavy elements on Earth did not form here. They were born in the violent deaths of massive stars and ...

Nearly 4.5 million years ago, two enormous, blazing stars swung close to the solar system. They did not touch the sun, but they came close enough to leave a permanent mark on the thin mist of gas that ...

Francis Thackeray has received funding from the National Research Foundation. Global cooling that happened millions of years ago was thought to be the result of ocean currents. He suggests instead it ...