The U.S. launched strikes on three Iranian nuclear sites, joining Israel’s efforts to cripple Iran’s nuclear program in a major escalation. Here's the latest developments on Sunday.

Single string Psyche keeps its date with an asteroid, but now it’s running in backup mode Engineers switched to a backup fuel line less than a quarter of the way through Psyche's mission.

A Close Call with a Big Rock Asteroid 2024 YR4 was discovered in December 2024. Soon after, experts calculated that it had a 1.3% chance of striking Earth on December 22, 2032.

A massive space rock is headed our way, but don’t panic just yet. NASA has issued an alert for asteroid 2003 AY2, an enormous 1,200-foot wide celestial body, roughly the size of a football stadium.

The James Webb Space Telescope has taken another look at the potential "city-killer" asteroid 2024 YR4 and found its chances of hitting the moon in December 2032 have increased to 4.3%.

Not everything dies in a mass extinction. Sea life recovered in different and surprising ways after the asteroid strike 66 million years ago. Ancient fossils recorded it all.

The asteroid, about a third of a mile wide at its equator, poses no immediate threat to our planet. But hundreds of years from now, there is a small chance that Bennu could slam into Earth.

June 2025 — NASA refined asteroid 2024 YR4's path, raising chances of a lunar impact in 2032. The asteroid no longer poses a significant threat to Earth, experts confirmed after new observations ...

A space rock the color of coal and no larger than a pebble you’d shake from a shoe just arrived at the Field Museum, where scientists will spend the next two months probing this extraordinary specimen ...

Another asteroid, Aphophis, received some attention after its discovery in 2004, and the 2.7% chance it held of hitting Earth in 2029. Additional observations showed that, while it will make a ...