A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held ...

CAPE CANAVERAL, Fla. (AP) — Astronomers say they've spotted an object in our solar system that's believed to be from another ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

The comet will zip past Mars’s orbit and reach its closest point to the Sun on 29 October 2025, at 1.35 astronomical units.

Astronomers are meticulously tracking the new interstellar visitor that is crossing our solar system. Officially designated ...

There are lots of objects floating around in our solar system, but one thing most have in common is a common origin, and then ...

NASA has announced an exciting discovery hurtling through our solar system: an interstellar object. It’s a comet, but beyond ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

This week, astronomers spotted the third known interstellar visitor to our Solar System. First detected by the Asteroid ...

NASA has discovered an interstellar comet, dubbed 3I/ATLAS, that is speeding through the Solar System . The comet was first ...