High above the Moon, the Big Dipper appears to stand on the end of its bowl in the early evening, its handle sticking straight up into the sky. Jupiter’s Galilean moons are also visible this ...

The solar system’s largest and smallest planets meet in the evening sky, standing 2° apart shortly after sunset.

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

Adams, a professor of physics and astronomy at the University of Michigan ... they're not even among Jupiter's four famous Galilean moons, which does include Io. But Amalthea and Thebe orbit ...

Jupiter and its four planet-size moons, called the Galilean satellites, were photographed in 1998 ... Adams, 20 May 2025, Nature Astronomy.

New research suggests that Jupiter, the largest planet in our solar system, was once even bigger—about twice its current size—and had a magnetic field 50 times stronger than it does today. This ...

As the bright star Regulus and the Beehive Cluster shine close by. The moon will appear to skip over Mars between the nights ...

Regardless of what you call it, a full moon is catnip to the astrophotography community — and his one was no exception. Photographers around the world turned out in force to capture stunning ...

This might sound like an obvious thing for a professional stargazer to say. But astrophysicist Federica Bianco was reacting ...