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

This immersive journey explores the vast and mysterious landscapes of alien worlds scattered throughout the galaxy, from ...

While telescopes like the James Webb Space Telescope (JWST) can detect the chemical fingerprints of distant atmospheres, ...

But is it a planet or what?

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

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, ...

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

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, ...

Astronomers have identified a clue hidden in the light of certain stars that's already led them to discover seven new alien planets, with more expected to come. To be clear, these alien planets likely ...

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