Astronomers have spent years searching for a possible hidden giant planet far beyond Neptune. Unusual orbits among distant ...

Seven recent space discoveries from Mars biosignatures to Neptune's auroras are reshaping our understanding of the universe.

NASA’s James Webb Space Telescope has uncovered a rare alien world that sits in a cosmic “sweet spot” between scorching hot Jupiters and frozen gas giants like Saturn.

NASA's Nancy Grace Roman Space Telescope is now officially on the lookout for potential next destinations for humanity ...

What is Planet Nine, and where is it? The question has fascinated astronomers for years. Scientists believe a massive ...

Two pairs of ‘rogue’ Jupiter-size, planet-like objects have been found in a large star-forming region in the Milky Way, a new study claims. The findings suggest the weird objects actually do exist, ...

Using a new technique that partly relies on artificial intelligence, researchers spotted potentially more than 10,000 new exoplanets.

In an astronomical first, researchers have measured the magnetic fields of 7 "hot Jupiter" planets beyond our solar system — ...

Scientists have uncovered astonishing revelations, from objects that are neither stars nor planets but are hotter than the ...

When reading about discoveries of new molecules in interstellar space or on other planets, how can you be confident in the detections you are reading about? It's important to watch out for flashy ...

The Kepler telescope changed how we saw the sky. It’s just one of the devices we’ve sent out beyond the reach of humans to ...