PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and is unlike anything ever before seen in our cosmic backyard, ...

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could be up to 12 billion years old!

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

WASHINGTON :In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest signs yet of possible life beyond our solar system, detecting ...

There may be 19 asteroids in orbit around the sun that come from somewhere else entirely. If true, we could visit an alien 'world' without ever leaving the confines of the solar system. Share on ...

The mysterious interstellar object traveling through our solar system has been spotted acting like no other comet ever seen before, revealing its alien origins. Scientists from Michigan State ...

The universe is at it again; scientists have been baffled by a discovery that turns all the knowledge they have on planetary systems on its head. Scientists have discovered an alien solar system ...

Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

Despite their (potentially) impressive numbers, these interstellar objects remain extremely difficult to observe. The odds of one venturing within 10 astronomical units—10 times the distance from ...

Rare interstellar visitor the size of Manhattan carries secrets from distant star system Controversial 'comet': An artist's rendition of Comet 3I/ATLAS as it rockets through our Solar System at 58 km ...

Is alien invasion armageddon coming for us in November? That's the speculation set off by a legitimate academic study recently published by a team of scientists. In early July, a previously ...