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.

Exciting new research suggests there are four miniature planets orbiting Barnard’s Star, each thought to be just 20 to 30% ...

Astronomers have revealed new evidence that not just one, but four tiny planets are circling around Barnard's Star, the ...

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. Using ...

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.

Gaia unexpectedly discovered a giant exoplanet and a puzzling brown dwarf, challenging planetary formation theories and ...

Gaia, a mission designed to map stars, has accidentally become a planet hunter. Using precise astrometry, it detected stellar ...

Venus, Mars, Jupiter, Saturn, Uranus, and Neptune were already visible in the night sky after dusk this month, but Mercury joined them on Feb. 28. While it's common to see a few planets line up in the ...

A stunning planet parade is now visible in the night sky. A planet parade is when several of our solar system's planets are ...

A seven-luminaries-deep parade of planets will line up and light up the night sky this week, folks. Just after sunset on Feb.

But such events are not just a treat for stargazers – they can also have a real impact on our Solar System ... many planets in orbit around certain stars. Trappist-1, a red dwarf star located ...

The eight major planets in our Solar System orbit the sun on the same flat plane but at vastly different speeds. Mercury, being the closest to the sun, completes an orbit in only 88 days ...