Astronomers have used the James Webb Space Telescope (JWST) to discover that a distant "hot Jupiter" planet has two ...

To test this idea, the new study looks at an exoplanet known as VHS 1256b. It has a mass of around 20 Jupiters and is one of ...

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

For the first time, scientists have continuously monitored a planet's escaping atmosphere over a complete orbit, revealing ...

Jupiter, the largest planet in the solar system, was 2 to 2.5 times bigger in its earlier life, according to new research. Jupiter, the largest planet orbiting the sun, used to be much bigger and ...

Analysis of early direct images from James Webb telescope show immense dust clouds on brown dwarf that lead to a blurring of ...

Jupiter-like planet 8 UMi b, named Halla, orbits its host red giant star Baekdu closely. The red giant's merger with a white ...

As the 2025 year draws to a close, the December night skies offer a promising but dazzling cosmic trio surprise for the sky ...

For a planet so far from the sun, its upper atmosphere is a boiling 400 degrees Celsius (750 Fahrenheit). That's about the same as Earth's upper atmosphere. "Jupiter is five times farther from the sun ...

There’s love in the night sky. Jupiter and Venus are set to share a “cosmic kiss” Thursday night as they appear side by side. The two planets crossed paths shortly after sunset Wednesday night as ...