If the building-size asteroid 2024 YR4 crashes into the moon in December 2032, the impact will produce a bright flash that ...

Astronomers watched a distant star dim for months and found a metal-rich cloud that may be the aftermath of a massive ...

NASA’s latest alert about a near‑Earth asteroid has revived a familiar mix of anxiety and curiosity about what would happen ...

An astronomer at the Massachusetts Institute of Technology in Cambridge is tracking a huge asteroid that could collide with Earth in a few years. Dr. Richard Binzel is a leading astronomer and ...

A rare disruption like a major solar storm could overwhelm Earth's satellite system and trigger a debris-producing disaster ...

Astrophysicists are warning that low Earth orbit is reaching a critical tipping point, where satellite collisions could happen faster than previously imagined. A new metric, the ...

Earth orbit is becoming increasingly crowded. With more than 11,000 active satellites and many thousands more expected in the coming years, as well as more than 1.2 million pieces of space debris ...

An asteroid's chances of hitting the Earth in 2032 have risen again to over 3%. Experts say not to worry for now, as chances the asteroid will miss the Earth stand at nearly 97%. Astronomers now say a ...

Russian scientists will soon meet in secret to work on a plan for saving Earth from a possible catastrophic collision with a giant asteroid in 26 years, the head of Russia's space agency said ...

Rocks from Canada, Greenland, and Hawai'i have less of the already rare isotope potassium-40 than those from the rest of the Earth. The scientists who discovered this fact consider it evidence that ...