A huge haul of 128 newfound satellites might be a hint of past collisions in the planet’s orbit, or something else.

Tense, public squabbles between SpaceX CEO Elon Musk and NASA have stirred the space industry, but behind the scenes, space ...

Europa, one of Jupiter’s intriguing moons, is hiding an ocean beneath its icy shell — an ocean that might harbor alien life.

Full of extraordinary footage, Robert Stone's blissed-out mind-bender of a movie meditates on the possibilities of life in the universe.

A stunning Blood Moon March 13/14 caps off plenty of planetary action and sparkling stars in the sky this week.

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

NASA’s Europa Clipper is using Mars and Earth’s gravity to travel efficiently to Jupiter. The spacecraft will study Europa’s ...

Sandwiched between the freezing cold of Earth’s coldest continent and the warmth of its southernmost active volcano, the ...

NASA’s Europa Clipper spacecraft will pass just 550 miles (884 km) above Mars today (1 March). This manoeuvre is designed to ...

"It's like a game of billiards around the solar system, flying by a couple of planets at just the right angle and timing to ...