Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their ...

Low as their risk may be, asteroid impacts continue rank among the biggest threats to Earth from space, and pretty huge ones have hit Earth several times in the past. To learn more about the biggest ...

Scientists have long believed that the Moon was formed by a massive object crashing into the Earth billions of years ago and sending chunks hurtling into space that ultimately coalesced. But what was ...

Aurora alert! The colossal solar storm could impact and trigger impressive northern lights. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.