Potential impactors are most likely to have low velocities and the highest likelihood of hitting Earth during the winter.

Earth was grazed by a tiny asteroid last week, which passed about as close as the International Space Station (ISS). That makes it the second-closest known flyby on record. The asteroid, designated ...

When an asteroid threatens Earth, astronomers use a rating called the Torino scale to communicate the risk. Richard Binzel, ...

The asteroid known as 2024 YR4 is out of sight yet still very much on scientists' minds. The building-sized object, which initially appeared to be on a potential collision course with Earth, is ...

The "potentially hazardous" asteroid 2025 FA22 will fly close past Earth at more than 24,000 mph on Thursday (Sept. 18). The space rock was previously predicted to have a slim chance of impacting our ...

An asteroid is the most likely reason the dinosaurs went extinct—but could something similar happen to us? A new study has compared the likelihood of a devastating asteroid impact to other causes of ...

NASA is currently monitoring a plane-sized asteroid set to zoom past the Earth on August 22 at a speed of around 18,678 mph. The space rock—known as "2023 PX"— is about 73 feet across and is set to ...