An object we thought belonged to the most common category of planet in the galaxy has turned out to be something we've never ...

Michigan State University and NASA researchers discover seven dark comets that reveal new solar system secrets.

The discovery of two new planets beyond our solar system by a team of astronomers from The University of Warwick and the ...

In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...

Mars is home to perhaps the greatest mystery of the Solar System: the so-called Martian dichotomy, which has baffled ...

We found rare specimens, like a pallasite meteorite, which reveals details about major collisions in solar system history.

New study reveals Pluto and Charon’s origin: a unique "kiss and capture" collision redefines how binary systems form.

Using the Atacama Large Millimeter Array, astronomers have discovered icy exocomet belts circling 74 different alien planetary systems.

Scientists have discovered a new type of planetary collision called “kiss-and-capture,” where Pluto and proto-Charon briefly connected and spun together before separating into their current orbital ...

"Some of the extreme ultraviolet light above active regions flickers erratically for a few hours before a solar flare," ...