Everything you’ve ever stood on, every rock, every continent, every grain of sand, may have been manufactured in a single ...

The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming ...

This week's science news.

As it turns out, the conditions that set Venus and Jupiter up for their conjunctions in the sky are the same that are ...

Unlike rocky planets such as Mars and Earth, angrites do not have a lot of silicon dioxide. Because of this, astronomers have ...

A new study suggests that a massive structure beyond Jupiter trapped the cosmic dust needed to form the first building blocks ...

An artist's conception showing a planetary smash-up between a Moon-sized object and a Mercury-sized object. (NASA/JPL-Caltech ...

It may not feel like it, but everything in the universe is in constant motion. Our Sun, with all its planets, orbits the center of the Milky Way, flying through the cosmos at around 450,000 miles per ...

Using a new technique that partly relies on artificial intelligence, researchers spotted potentially more than 10,000 new exoplanets.

From an early age, we are taught to understand that the planets of our solar system change in position while orbiting a central star, the sun. But does the sun itself move within the solar system?

Look up at the night sky and among the stars you might see a few brighter dots — the planets in our solar system. What you won’t see, though, are the most common kinds of planets in the Milky Way: ...