HIP 67522 b, a Jupiter-sized planet, orbits its star in just 7 days. Its closeness disturbs the star’s magnetic field, triggering stellar flares that scorch the planet’s atmosphere ...

Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...

You may not see Neptune with the naked eye, but it’s hiding some of the most extreme weather in the solar system. With 1,000+ mph winds and Earth-sized storms, this distant ice giant challenges ...

A recent study has uncovered a dramatic interaction between a planet and its parent star that is reshaping our understanding ...

Jupiter isn’t alone in this category; Saturn, Uranus, and Neptune are also gas giants, though Uranus and Neptune are often ...

Exoplanet HIP 67522 b, fluffed up to the size of Jupiter, circles so close to its star that it’s triggering violent flares — ...

Scientists have discovered the first clear case of a planet causing its host star to flare, offering new insights into the ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

Couldn't resolve component "default" at "/:pathMatch (.*)?/:lcsId ( [0-9]\- [0-9]\- [0-9]+| [0-9]- [0-9]- [0-9]+PT [0-9]+)" ...

Our solar system is a pretty wild place, full of amazing stuff. From the giant Sun to the tiny rocks floating around, there’s ...

Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...

During July, the morning sky hosts three bright planets, each following its own path.