Astronomers have pinned down details of Jupiter's smallest known moon, a tiny space rock barely a mile across.

Astronomers have pinned down details of Jupiter's smallest known moon, a tiny space rock barely a mile across.

At a measly 2 kilometres in diameter, the smallest of two moons recently discovered orbiting Jupiter may be the giant planet’s smallest known satellite. In September of 2010, two previously ...

Jupiter's 16-kilometre-wide moon Adrastea appears in this image of the planet's rings, along with some mysterious clumps of unknown origin. The planet has a puzzling lack of small moons, which may ...

Jupiter's four Galilean moons will line up in front of Jupiter in the early morning sky on Aug. 8. The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up ...

"JUICE will use the gravity of Venus this week to bend its orbit around the sun and gain speed relative to Earth without using fuel," ESA wrote in the Aug. 25 statement. "JUICE will use the Earth ...

(Phys.org) -- At a measly 2 kilometres in diameter, the smallest of two moons recently discovered orbiting Jupiter may be the giant planet's smallest known satellite.