Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

Though 3I/ATLAS will never come close to Earth, its passage offers a rare chance to study material beyond our solar system ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

A11pl3Z's eccentricity is now estimated to be near 6.0, the highest seen yet, confirming its hyperbolic orbit.

“On July 1, the NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, ...

Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

Dubbed 3I/ATLAS, the comet poses no danger to Earth and will remain roughly 150 million miles away as it speeds by.

Astronomers have announced the discovery of A11pl3Z, a massive new interstellar object entering our solar system.

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.