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

From its first detection using an instrument designed in part by teams based in the Bay, to follow-up orbit analysis ...

Tryptophan, the essential amino acid behind the Thanksgiving myth that eating turkey can make you sleepy, has been found to ...

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

A top spiritual leader has predicted a world-ending event in 2026, sparking anxiety. The religious figure mentioned something that would hit Earth.

NASA is tracking two house-sized asteroids zipping toward Earth today as fast as around 20,500 miles per hour. One asteroid, known as "2025 VW," is projected to make its closest approach at about 1.29 ...

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 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 ...

According to new information provided by NASA has alarmed astronomers around the world have been alarmed, raising concerns ...

An asteroid named YR4 is on a potential collision course with the moon, with NASA estimating a 4% chance of impact in 2032.