YR4, its trajectory, and the science behind potential Earth impacts, explaining why close encounters don’t always mean danger ...

A building-sized asteroid had a 1-in-32 chance of hitting Earth at its peak, but astronomers soon found there was zero chance ...

NASA alerts Spain to a rare 2026 total solar eclipse and a “potentially dangerous” asteroid, urging authorities to prepare ...

Asteroid 2025 XF1 is hurting through the solar system at nearly 8,000 miles per hour, according to the spacy agency.

Asteroid 2024 YR4 will not hit Earth, but it has forced planetary defense experts to confront a different kind of worst case: a significant chance that a “city killer” rock could slam into the Moon ...

Tryptophan, the essential amino acid behind the Thanksgiving myth that eating turkey can make you sleepy, has been found to exist on Bennu, a small asteroid that swings by our planet about every six ...

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

An asteroid could wipe out humanity, but it's unlikely. Near-misses are more common than impacts, though planetary defence is something that money should be spent on because the chance isn't zero. An ...

The study shows that nearly 40 percent of the Hubble Space Telescope’s images could suffer interference from the proliferation of communication satellites, which are set to explode in number in a few ...

An asteroid named YR4 is on a potential collision course with the moon, with NASA estimating a 4% chance of impact in 2032. While the scenario might sound like a Hollywood plot, scientists are ...