Think a trip to Mars takes a few months? The reality of interplanetary travel is far more complex. This video breaks down the true travel times to every planet, from Mercury to Neptune, using real ...

NASA's PUNCH mission is photographing the Sun like never before. It can see comets that are invisible to every other ...

Our fundamental understanding of Neptune and Uranus may be completely wrong, say researchers rethinking our solar system.

This is the story of our cosmic neighborhood's front row. We explore the four rocky planets forged in the sun's heat: ...

An ultra-hot rocky exoplanet may be wrapped in a dense atmosphere, defying expectations about what small planets can sustain.

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

Piette said an atmosphere would allow gases like water vapor to absorb some wavelengths of light, keeping the telescope's ...

NASA’s James Webb Space Telescope has detected the best evidence ever recorded for an atmosphere on a rocky exoplanet.

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

Fresh JWST data and new models challenge methane hints on TRAPPIST-1e, showing the gas would be rare, unstable, and difficult ...