The Atacama Large Millimeter/submillimeter Array (ALMA) has captured the motion of spirals of dust around a young star and ...

Whirling dust devils and winds on Mars can move at an unexpected 99 miles per hour. The dust they send into the atmosphere could affect future missions.

The planet’s apparent backward motion occurs for a few weeks about every four months. Here’s what’s really happening—and how astrology became a modern phenomenon. Mercury is seen in an image taken by ...

When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

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

Would you guess that the Earth is spinning at 1,000 mph around its axis and at the same time hurtling through space on its ...

A dramatic shift in Earth’s magnetic field occurred roughly 41,000 years ago during what scientists now call the Laschamps ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the discovery of Pluto in the 1930s. Labeled as planet X, prominent astronomers ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the discovery of Pluto in the 1930s. Labeled as planet X, prominent astronomers ...