NASA’s Lucy spacecraft captures asteroid Donaldjohanson, marking a new step in its mission to explore the solar system’s ...

The solar system is our cosmic neighborhood, made up of the sun and everything that orbits it — planets, moons, asteroids, comets, and even dust and gas. The order of the planets in the solar ...

Last year in August, the number of moons orbiting Earth temporarily doubled, admittedly from the low starting point of "one", ...

"If there were only one object, that would be interesting but an outlier. If there's two, we're pretty confident that's a ...

The Sun is the largest object in the Solar ... System about 4.5 billion years ago. Gravity is the force needed to maintain the orbit of planets, asteroids and comets around a star and moons ...

A whole population of 'minimoons' - tiny natural satellites - may be quietly circling near Earth, scientists now believe, ...

When Elon Musk’s engineers bundled a batch of prototype satellites into a rocket’s nose cone six years ago, there were fewer ...

Vesta, thought to be the second-largest asteroid in the solar system, could be a piece of an ancient, unknown planet, a new ...