A red supergiant star is surrounded by a sphere of dust and gas so large there is no known explanation for what produced it ...

For Harold Kozak, one of life’s greatest pleasures is the opportunity to educate the public about the stars and the vast ...

Explore ten lesser-known facts about the solar system backed by scientific research, from planetary oddities to extreme ...

Using data from the Vera C Rubin Observatory, experts have revealed just how big the object, dubbed 3I/ATLAS, really is.

For the first time, astronomers have witnessed the initial stages of a solar system's formation around a distant star, HOPS-315.

Until now, astronomers have detected fully formed, massive, newborn planets or observed younger protoplanetary discs, but ...

Named 3I/ATLAS, the object was first spotted on July 1. Travelling over 210,000 km/h, it was quickly confirmed as ...

Scientists have confirmed a potentially habitable fifth planet in the nearby L 98-59 system, revealing a diverse collection ...

Aliens are visiting our solar system. Not little green men, sadly, but natural alien objects—cosmic bodies such as comets and ...

Object 3I/ATLAS will make close approaches to Jupiter, Mars and Venus, which could allow aliens to stealthily plant spy ...

Astronomers think small space rocks from beyond our solar system routinely strike Earth—but proving it isn’t easy ...