Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

The biggest planet in our solar system is hovering over the North Carolina skyline throughout January, and stargazers will ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

Across the Milky Way and beyond, planetary systems appear to fall into a few recurring blueprints, and recent exoplanet ...

What was originally thought to be a planet orbiting the Fomalhaut star was probably just the fallout of a wild collision.

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida Tech graduate, she leaves with not only a dual degree in planetary science ...

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 suggests that if it weren't for the gas giant, the Earth would have ...

There's something big missing from our solar system — and that may be a good thing. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Planetary ...

Bad news, earthlings. Computer simulations of the solar system’s future reveal a new risk facing us all: The gravitational tug of a passing star could either cause another planet to smack into Earth ...