Just three decades ago, astronomers had no evidence that planets commonly orbited other stars. Then in 2025, NASA confirmed ...

The winds on seven hellish alien worlds are moving in the wrong direction. That strange anomaly just cracked open one of exoplanet science's biggest mysteries.

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

The planets are extremely large, with TOI-791 b being about the same size as Jupiter, and TOI-791 c even larger. Yet, they ...

But is it a planet or what?

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The Milky Way galaxy has more than 400 billion stars in it. Over the last few decades, ...

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...

There is no chance in hell our species will be able to reach another Earth-like planet in the Universe in the foreseeable future, so the only way we can get a sense of the habitability of such places ...

For the first time, astronomers have distinguished between the morning and evening atmospheres of a single planet, revealing ...

This driving tour moves through a layered city road in China, where lanes split beneath a pedestrian bridge and the skyline appears in the distance. A yellow taxi, blue direction signs, curved roads, ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...