An asteroid crashing into Earth may sound like the stuff of science fiction, but experts warn it’s a real threat—and we may not be ready for it. Earlier this year, scientists detected an ...

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%.

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%.

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.

An enormous asteroid—big enough to leave a six-mile-wide crater and darken the world with dust if it hit Earth—will harmlessly zip by our planet on April 29. The object, called 1998 OR2, is at ...

Asteroid 2024 YR4 captured a lot of headlines shortly after its discovery because it had a slim chance of hitting Earth. The object is estimated to be between 130 and 300 feet wide, large enough ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. 'City-killer' asteroid swarms and a buried toddler 'Ice Prince.'(Image credit: BLFD/Getty ...

A swarm of large asteroids likely lurking around Venus could one day pose an "invisible threat" to Earth if left unchecked, astronomers have warned.

A colossal asteroid named 424482 (2008 DG5) will make a close approach to Earth on June 5, passing at a distance of approximately 3.5 million kilometers. Measuring between 320 and 700 meters in ...

NASA is monitoring three asteroids soaring past the Earth at about 8,000 to 15,000 miles per hour, the biggest of which measures around 1,300 feet in diameter. The largest space rock, known as ...

Observations of asteroid (139289) 2001 KR1 made using ESA’s Flyeye telescope. These images were acquired on 21 May 2025 during the telescope’s ‘first light’ campaign.