A newly-discovered asteroid about 100 metres wide and on a potential collision course with Earth has activated international planetary defence teams ...

YR4, which was recently spotted in the cosmos with a non-zero chance of hitting Earth in the coming years, may have caused ...

Scientists have discovered a new type of planetary collision called “kiss-and-capture,” where Pluto and proto-Charon briefly ...

“Most planetary collision scenarios are classified as ‘hit and run’ or ‘graze and merge,’” said Denton, a NASA postdoctoral program fellow at the Southwest Research Institute in ...

Researchers say there’s a 1.3 percent chance that the space rock 2024 YR4 could strike our planet — but not until December ...

This is the conclusion of a new study, conducted at the University of Arizona, which has identified an entirely new kind of cosmic collision. "Most planetary collision scenarios are classified as ...

A 100 metre wide asteroid is heading towards Earth and has triggered a response from a global defence group after it was ...

Should the asteroid remain on a collision path, it would likely have a velocity of 17.34 km/sec. (10.7 mph/sec.) when first ...

Planetary defense is a global imperative, of course, but for the time being, NASA — and, by extension, the United States — is ...