The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...

Anyone hungry for the icy crunch of a Pluto -like body? No? Well, one nearby white dwarf is going all in on a Pluto-esque ...

The crescent moon shines close to Mars above the western horizon at sunset on Sept. 24, but you'll need to be quick to spot ...

"These features were completely unexpected and, at present, are completely unexplained," Professor Tom Stallard said.

More than 110 leaders will speak at a United Nations climate summit on Wednesday. They aim to strengthen plans to reduce ...

Astronomers around the world have confirmed over 6,000 exoplanets, a milestone reached in September 2025. Billions more are waiting to be discovered.

Astronomers from the University of Arizona helped detect a baby planet outside of our solar system. Specialized telescopes from Arizona and Chile contributed to the discovery.

The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...

As with many big space stories, 3I/ATLAS is getting a fair share of attention as well as some more controversial theories ...

“Interstellar objects may be able to jump start planet formation, in particular around higher-mass stars,” Pfalzner said in a ...

NASA has officially confirmed the finding of its 6000th alien planet, furthering its quest to understand our galaxy and ...