Not that it was a competition, but Saturn surpassed Jupiter in known moons a few years ago. Now the giant planet may never ...

A distant exoplanet discovered, named Enaiposha, is unlike anything found in our own solar system, similar to a "super-Venus" ...

The others orbit the planet in the opposite direction, or in retrograde. The arcs near the center are the orbits of Titan and Iapetus, two of Saturn's large outer moons. For scale, the white ...

Saturn has cemented its status as the planet with the most moons, leaving Jupiter trailing behind. Astronomers have confirmed ...

Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.

WEST PALM BEACH, Fla. (AP) — Math enthusiasts around the world, from college students to rocket scientists, celebrate Pi Day, ...

The country supports some of the world’s most important satellites. But experts worry about its proximity to Russia.

The small moon orbits closer to ... (On the magnitude scale used by astronomers, lower numbers signify brighter objects. For example, at its brightest, the planet Venus shines with a magnitude ...

Situated just six light-years away, Barnard’s Star b is a rocky planet over three times the mass of Earth. It orbits a dim red dwarf star ... Discovered in 2006 using a small-scale telescope, XO-1 b ...

"There really is something very different about how these giant planets form versus how small planets like Earth form." ...