A tiny bit of asteroid dust is rewriting what we know about the early solar system and about ourselves. Pope Francis Passes ...

2025 HU isn't the only asteroid approaching the Earth today. NASA is also tracking an airplane-sized space rock known as 2025 GD1, which is estimated to be about 86 feet across and will zip past the ...

"All the odd shapes and swirling gas observed in the Perseus cluster now make sense," said astronomer James Lee.