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

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

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

Travel to James Webb Space Telescope's NIRCam and MIRI instrument views of protostar L1527. The protostar is about 100,000 ...

The newest visitor is 416 million miles from the sun, out near Jupiter, and heading this way at a blistering 37 miles per ...

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

U.S. Sens. John Cornyn and Ted Cruz got language into President Donald Trump's "Big, Beautiful Bill" that creates a path for ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...