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 ...

Everything is relative. By that, I mean: Jupiter, when compared to Earth, is large. Yet Jupiter, when compared to the Sun, is small. By virtue, the Sun in comparison with hypergiants is basically ...

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.

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 ...

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 ...

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.

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

The first two weeks of March provide a great opportunity to sight four bright naked-eye planets in the early evening sky. Low toward the west blazes Venus, which serves as a convenient celestial ...

Check them out! In a rare astronomic feat on Friday night, seven planets, Mars, Jupiter, Uranus, Neptune, Mercury, Saturn and Venus, were not only visible simultaneously but also appeared to be ...