With an atmosphere, by mass, of primarily hydrogen (76 per cent) and helium (24 per cent), and by volume of 89 per cent ...

Scientists provided a detailed look into Jupiter's primordial state and their calculations revealed that Jupiter was ...

Jupiter’s rule of the evening sky is coming to a close. Catch some action there while you can, shortly after sunset this ...

Jupiter may have once been more than twice its current size, with a magnetic field 50 times stronger, say scientists who ...

Scientists have made a groundbreaking discovery that Jupiter, our Solar System's largest planet, was once a behemoth capable of engulfing 2,000 Earths. As the oldest planet in our cosmic ...

While three of Jupiter’s four Galilean moons frequently pass in front of or behind Jupiter, the larger orbit of Callisto and the tilt of the gas giant’s equator relative to Earth mean that ...

At last count, Jupiter has 95 moons, but the four main ones — Ganymede ... Simon Marius in 1614 but they are also known as the Galilean moons. The moon is a world unlike Earth’s celestial ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

We're putting these big astronomy binos to the test for lunar viewing, stargazing and observing deep-sky objects.

Defense Secretary Pete Hegseth has ordered the military to cut the number of their highest-ranking officers -- four-star generals and admirals -- by at least 20%. In a memo released Monday ...