A star thousands of times larger than the Sun just underwent a dramatic transformation that's a prelude to catastrophe.

Created by the solar wind — a stream of charged particles constantly pouring out from the sun — the heliosphere acts as a ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

Astronomers have witnessed one of our universe's biggest stars transforming into a rare stellar body, and the dramatic metamorphosis may be the prequel to a powerful supernova explosion that sees this ...

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's observations.

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...

Aliens exist – they just haven't visited Earth, a NASA veteran has claimed. Dr Gentry Lee has worked at the US space agency since 1968, when he first got involved with the Viking mission to Mars. He ...

A violent, almost demonic alien race called the Furies first appeared in a series of Star Trek crossover novels published in 1996. Titled Star Trek: Invasion!, these four novels spanned the 23rd and ...

In the sixth episode of Star Trek: Starfleet Academy, “Come, Let’s Away,” the cadets on board the Athena meet a new alien adversary, one that comes across as truly terrifying. While out on a deep ...

Exoplanet Beta Pictoris b can be seen moving around its star in this 17-year timelapse created using "AI-driven image-processing techniques," according to Northwestern University. Gemini Observatory ...