Artist's impression of a supernova. By ESO/M. Kornmesser/Wikimedia Commons, CC BY My hypothesis is that remnants of a supernova – an exploding star – had an impact on the Earth’s past climate, causing ...

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 ...

Earth sits in a harsh galaxy filled with high-energy particles that can strip atmospheres, scramble DNA, and sterilize worlds, yet life here has persisted for billions of years. New research suggests ...

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 ...

This illustration provided by W.M. Keck Observatory depicts the insides of an exploding star. (Adam Makarenko/W. M. Keck Observatory via AP) This illustration provided by W.M. Keck Observatory depicts ...

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 ...

What’s the link between an exploding star, climate change and human evolution? Francis Thackeray, who has researched ancient environments and fossils for many years, sets out his ideas about what ...