A new image shows the growing tail of a comet from another star system streaking across our solar system. The image of comet 3I/ATLAS was captured on Aug. 27 using one of the telescopes at the ...

A European Space Agency spacecraft orbiting Mars caught a glimpse of interstellar comet 3I/ATLAS last week. - ESA / D. Ducros illustration As a visitor from another solar system made its closest ...

CAPE CANAVERAL, Fla. (AP) — A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. How to watch the Orionid meteor shower ...

The European Space Agency's ExoMars Trace Gas Orbiter image of interstellar comet 3I/ATLAS as it passed close to Mars. (The European Space Agency) A mysterious interstellar comet — just the third such ...

CAPE CANAVERAL, Fla. — Telescope observations reveal a growing tail on the comet that’s visiting from another star. Released Thursday, the pictures taken by the Gemini South telescope in Chile late ...

A groundbreaking discovery was recently made about the largest comet ever observed hurtling toward the sun from the Oort Cloud in the outer reaches of our solar system. Astronomers recently got a ...

A mysterious interstellar comet — just the third such object ever confirmed to have entered our solar system — streaked past Mars last week. A spacecraft in orbit around the red planet had a front-row ...