HR 8799, located 129 light-years away, is home to a rare group of super-Jupiters, gas giants that are much larger than our own Jupiter. These planets, orbiting far from their star, present a unique ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new extrasolar planet transiting a distant star. The newfound alien world, designated ...

NASA's James Webb Telescope has captured auroras on Jupiter that have hundreds of times more energy than those here on Earth. Jupiter's auroras are like the "Northern Lights, but way bigger!" NASA ...

Jupiter, Mercury, Neptune, Saturn, Uranus, and Venus—will appear in the sky together in a special planet parade on Feb. 28.

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...

Jupiter reaches opposition on Jan. 10, but it provides a good sky show through the entire month. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.