Simulations reveal that Jupiter’s rapid growth disrupted the early solar system, creating rings where new planetesimals ...

Witness how a solar eclipse would appear on every planet in the solar system. A California city hides its history, culture by ...

New evidence shows that, far beyond Pluto, there may exist a hypothetical planet referred to as Planet X or Planet Nine.

For many, space travel is unrealistic – spaceships are expensive, and interplanetary exploration doesn’t fit in with a 9-to-5 ...

At a young age, we're told how the sun warms Earth and makes life possible. That idea sticks with most of us for life. But ...

"If our solar system is indeed moving this fast, we need to question fundamental assumptions about the large-scale structure ...

If you've ever wondered why we are here, then you can thank Jupiter for part of the answer. A new study from Rice University ...

There are no confirmed exomoons, moons orbiting distant exoplanets in other solar systems. There are a few candidates, but ...

Guest: Professor Dagomar Degroot, environmental historian at Georgetown University and author of Ripples on the Cosmic Ocean: ...

NASA’s latest mission, designed to study the effects of the solar wind on the atmosphere of Mars, was ironically delayed on ...

A new survey of 500,000 stars finds only 0.28% host close-in giants, showing how aging Sun-like stars drag their planets to destruction.

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around ...