The discovery and swift monitoring of asteroid 2024 YR4 earlier this year represented Earth's first real-life planetary defense test.

Astronomers were slow at spotting a small giraffe-sized asteroid that zoomed past our planet on Tuesday, September 30, 2025, ...

CHICAGO -- A newly discovered asteroid roughly the size of an Olympic swimming pool has a "small chance" of colliding with Earth in 23 years, with a potential impact on Valentine's Day in 2046, ...

Astronomers say a recently-discovered asteroid nearly landed on Earth, and that it could have caused serious damage if it were to make landfall on the planet. The European Space Agency says the ...

Another asteroid zoomed near Earth's vicinity the next day. An asteroid just flew closer to Earth than many satellites, according to space agencies. The space object, named 2025 TF, zoomed over ...

A group of scientists recently published a paper that considers options for dealing with the asteroid — one of which includes a nuclear “disruption” An asteroid may hit the moon in 2032 — and some ...

Richard Binzel has been watching the skies for hazardous asteroids for more than 50 years. In 1995, he proposed the Near-Earth Object Hazard Index, later renamed the Torino scale, which rates ...

Dinosaurs appear to have been thriving before a giant asteroid hit the Earth 66 million years ago, paleontologists working in New Mexico said Thursday in the journal Science. Experts have long debated ...

Astronomers are running out of time to decide whether to prevent asteroid 2024 YR4 from hitting the moon in 2032. A small observing window with the James Webb Space Telescope will open in February, ...

At this point in history, astronomers and engineers who grew up watching "Deep Impact" and "Armageddon," two movies about the destructive power of asteroid impacts, are likely in relatively high ...