AMES, Iowa – An international team of astronomers has used nearly three years of high precision data from NASA’s Kepler spacecraft to make the first observations of a planet outside our solar system ...

Tidal forces and radiation bombardment can cause some planetary atmospheres to leak into space. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A ...

SPHERE’s detailed images of dusty rings around young stars offer a rare glimpse into the hidden machinery of planet formation. These bright arcs and faint clouds reveal where tiny planet-building ...

Astronomers have revealed new evidence that not just one, but four tiny planets are circling around Barnard's Star, the second-nearest star system to Earth. The four planets, each only about 20 to 30% ...

The host star, TOI-6894, is a red dwarf with only 20% the mass of the Sun, typical of the most common stars in our galaxy. Until now, such low-mass stars were not thought capable of forming or ...

(Correction: An earlier version of this story misstated how far Pluto is from the sun. The correct number is 3.7 billion ...