It sits about six light-years from Earth and is known for its quick motion across our sky. For years, astronomers have wondered whether it might harbor planets that could help us understand how ...

A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy.

If you’re going to set a sci-fi movie on an alien planet, it’s a nice bonus if that planet actually exists. Or, at least, is inspired by one that actually exists. In the new film Ash, director Flying ...

Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard’s Star, the second-nearest star system to Earth. The four planets, each only about 20 ...

Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the second-nearest star system to Earth. Astronomers have revealed new ...

2025 Projections: Kepler looks to be one of the final pieces of the Phillies’ championship puzzle. The club lacked a third dependable outfielder last year—something their trade deadline move ...

The two innermost planets, Venus and Mercury, will shine together low in the western sky at sunset on March 10. Here's how to get the best view before they disappear.

A team of astronomers has produced the sharpest-ever images of infant planets forming around a distant star, revealing rings of dust that could eventually spawn moons. Taking advantage of a ...

Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

Forbes contributors publish independent expert analyses and insights. Jamie Carter is an award-winning reporter who covers the night sky.