Saturn has dozens of new moons, bringing it to a total of 274. All of the new moons are between 2 and 4 kilometres wide, but ...

There's a class of objects in the cosmos that are neither stars, nor are they quite planets. Astronomers used the powerful ...

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

It's unlikely you'll be able to walk outside and see a line of planets, but according to NASA, a seven-planet parade ...

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 ...

Everybody loves a parade. Most people who live in chillier climes aren’t exactly rejoicing when February rolls around — but ...

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.

Planets change orbit shape around Neptune’s size. Metal-rich stars help giant planets form. Eccentric orbits suggest chaotic ...

On Feb. 28, seven planets—Mars, Jupiter, Uranus, Venus, Neptune, Mercury, and Saturn—will all grace the early evening sky.

A spectacular solar display will be seen on Friday, Feb. 28, as seven planets will be visible through binoculars, a telescope or even the naked eye during the evening's full "planet parade." ...

With a sun more than 4.5 billion years old, our solar system is considered "middle-aged," and the pictures of what it might ...