After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

Telescope observations show that frequent radiation from the exoplanet's star, a 7 billion-year-old red dwarf about the size ...

Earth resides within the sun's habitable zone, ensuring our planet sustains life. NASA scientist Noah Tuchow explains how ...

A joint Hubble and James Webb Space Telescope (JWST) project to learn more about the dusty disk around the bright star Vega ...

"The Hubble and Webb observations together provide so much more detail that they are telling us something completely new ...

What stars and planets are visible in the night sky tonight? Join us for an introduction to the night sky, the stars, and constellations. Then we’ll lift off of the Earth to take a tour of the solar ...

It’s the ultimate game of find a needle in the haystack. One NASA scientist is betting on AI to help expedite the search ...

For centuries, planets beyond our solar system—called exoplanets —existed only in theory and science fiction. It seemed nearly impossible to detect planets light-years away, since the relatively tiny ...

our backyard — exists a world about half the size of Venus that’s 125 °C on the surface and where a year lasts three Earth days. The planet, called Barnard’s b, orbits Barnard’s star, a ...

We wanted to put the spotlight on the planets themselves with this article, so you'll have a much better understanding of their origins and history if you've been watching Star Wars from afar ...

Was one—or all—of these bright naked-eye planets the source of the famous “star of Bethlehem” story in Christian tradition? It seems likely, but regardless, this week is a great time to ...