A ninth planet may exist beyond Neptune in the Kuiper Belt, a region populated by icy bodies that orbit the Sun.

Potentially deadly comets could be spotted many years in advance by following the meteoroid trails they leave near Earth, new research shows.

NASA's Perseverance Mars rover was treated to a 'googly eye' solar eclipse on Sept. 30 as the planet's moon Phobos passed in ...

NASA-supported scientists have developed a method to compute how tides affect the interiors of planets and moons, which will help interpret data from missions like NASA's Europa Clipper.

The search for Planet Nine has been on for years. Mysterious pulls in the Kuiper Belt have led scientists to believe a hidden ...

The probe will orbit the sun "close enough to pass inside a solar eruption, like a surfer diving under a crashing ocean wave, ...

NASA's Parker Solar Probe is set to make its final flyby of Venus on Wednesday, setting up the spacecraft to become the ...

Tiny grains from asteroid Ryugu are revealing clues to the magnetic forces that shaped the far reaches of the solar system over 4.6 billion years ago. The findings suggest the distal solar system ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

This list of commonly confused terms in astronomy will help you better understand the cosmos and the common phenomena we see ...

A research team developed a transparent radiative cooling film featuring a perforated structure resembling an insect screen, designed to regulate solar heat and lower interior temperatures. This ...

Today, NASA's Parker Solar Probe will complete its seventh swing past Venus — the spacecraft's final maneuver around the ...