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

The detection of 3I/ATLAS marks our solar system’s third time saying aloha to an interstellar visitor, following the ...

Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

But an international team of astronomers have detected the unmistakable signature of a gas giant planet orbiting the ...

University of Arizona astrophysicist Erika Hamden takes readers on a romp through a "Weird Universe" in her debut popular ...

Scientists have been working on ways to find new worlds far from Earth, and this strange method theorized decades ago has ...

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

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- only the third ...

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

Last week the James Webb Space Telescope captured a direct image of what they believe to be a previously unknown exoplanet ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...