New James Webb telescope observations of the 'super-puff' planet WASP-107b show that the exoplanet's runaway atmosphere is ...

Our own planet represents a tiny fraction of the peculiar phenomena that can be found lurking throughout the cosmos, and every day astronomers turn up new surprises. In this gallery, we take a look at ...

Forget the dusty, rusty landscape you see today. Billions of years ago, Mars may have been soaking wet. Tropical storms might ...

I nterstellar comet 3I/ATLAS will make its closest approach to Earth this month, whizzing by at 270 million kilometers (168 million miles) away, putting on a show for anyone equipped even with a small ...

Interstellar comet 3I/ATLAS is making its closest-ever pass in December. Learn about this mysterious space outsider, its ...

From epic space operas to mind‑bending thrillers, these are the sci‑fi stories that will transport you to other worlds.

The researchers described the scene in a recent publication, calling it “an extraordinary colonial spider community.” The ...