Tracking comets accurately is hard. A new effort with the U.N. and NASA aims to better chart these visitors using 3I/ATLAS.

A bus-size asteroid is on course to skim past our planet, a reminder that Earth moves through a shooting gallery of rocks and ...

Astronomers have followed 3I/ATLAS since its discovery on July 1. Hubble photographed it on July 21 from 277 million miles away, revealing a teardrop-shaped cloud of dust wrapped around its icy core.

New images taken with the Gemini North telescope in Hawaii confirm that the interstellar comet 3I/ATLAS has gotten brighter ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

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 moon is pummeled by asteroids nearly every day, creating new craters constantly that can range from a few feet to many miles across. The asteroid impacts, when they’re large enough, create flashes ...

Asteroid 2022 RD2 is a near-Earth object that could become a temporary moon, then later a potential crash risk for the planet later this century. Credit: NASA / JPL-Caltech illustration Scientists ...

Because of Earth’s weathering climate and shifting tectonics, impact craters regularly disappear from the Earth’s geologic record. Scientists in China found an impact crater that formed during the ...

NASA is monitoring a bus-sized asteroid that is zipping towards our planet at more than 18,300 miles per hour, according to the Center for Near Earth Object Studies (CNEOS). The asteroid, known as ...

At this point in history, astronomers and engineers who grew up watching "Deep Impact" and "Armageddon," two movies about the destructive power of asteroid impacts, are likely in relatively high ...