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, the largest planet in the solar system, currently shines as a brilliant silvery "star" in Gemini the Twins, low in the east-northeast sky as dusk slowly fades. It forms an eye-catching ...

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

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A rare six-planet parade will stretch across the sky before ...

Updated measurements from NASA’s Juno spacecraft could help researchers better understand the planet's mysterious interior, ...