Shining in the constellation Gemini near the bright stars Pollux and Castor, Jupiter's opposition is the best time to see the ...

Dive deeper into Jupiter’s core, where temperatures soar and pressures reach millions of times Earth’s atmosphere. Explore the layers of rock, ice, and metallic hydrogen, and uncover theories about ...

Scientists have measured that Jupiter releases more internal heat than it absorbs from the Sun, based on observations of its structure, rotation, and atmospheric behavior.

Visible light shows only the uppermost layer of Jupiter’s atmosphere. Infrared observations reveal heat, structure, and ...

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

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 ...

A photo of Jupiter taken by NASA's Juno spacecraft in September 2023. NASA/JPL-Caltech/SwRI/MSSS, image processing by Tanya Oleksuik The planet Jupiter has no solid ...

A newly discovered exoplanet is rewriting the rules of what planets can be. Orbiting a city-sized neutron star, this ...

Observations of Jupiter show that ammonia is unevenly distributed in the upper atmosphere, against expectations of uniform mixing. Scientists found evidence for a complicated but apparently real ...

Advising readers to scan the night sky this time of year always feels a little awkward, because the Pacific Northwest’s view-obscuring cloud cover is legendary in winter. (Not to mention fall and ...

The final night of 2025 is the perfect time to watch the moon close to the Pleiades, find the brightest star in the night sky ...

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 ...