A newly discovered 100-meter-wide asteroid has triggered Earth's planetary defense systems for the first time, with a 1.3% ...

Though harmless itself, its passage through the solar system is helping researchers test the systems, partnerships and knowledge needed to keep Earth safe.

CAPE CANAVERAL, Fla. (AP) — The threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world’s telescopes rush to track its course. But the chance of an impact is still ...

With help from amateur astronomers, scientists tracked how an asteroid travelled from space, broke up in Earth's atmosphere and sent fiery fragments shooting to the ground, gathering new information ...

A small asteroid, known as 2025 TF, flew over Antarctica on October 1, 2025, at an altitude of only 266 miles.