A swarm of spherical rovers, blown by the wind like tumbleweeds, could enable large-scale and low-cost exploration of the ...

New simulations suggest that Mercury's formation could be the result of a rare collision between two celestial bodies of ...

The early years of our solar system were a period of unimaginable chaos and violence, a gravitational free-for-all where colliding planetary embryos competed for survival. In this tumultuous ...

The main working hypothesis for the Mercury problem says that the planet is the victim of a collision with a different-sized object. The cataclysmic collision stripped much of the planet's mantle and ...

A new study warns of an undiscovered population of asteroids that could strike Earth with little to no warning.

Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and astronauts.

Scientists reveal for the first time the atomic structure of liquid carbon, key to exoplanets and nuclear fusion.

Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system ...

In the grand theater of planetary climate, Earth has always played a balancing act, teetering between fire and ice, warmth ...

Caltech researchers have developed a new simulation of the hydrological cycle on Jupiter, modeling how water vapor condenses ...