Jupiter, the fifth planet from the Sun, is between Mars and Saturn ... At no point is there a sharp boundary, solid material, ...

The dividing line between stars and planets is that stars have enough mass to fuse hydrogen into helium to produce their own ...

Averting your gaze when viewing the ringed planet can cause an optical phenomenon that might make you think twice about what ...

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

"If Jupiter doesn’t have a surface, what does it have? " ...

Astronomers have discovered a rocky Earth-like planet around a white dwarf star, hinting at our planet's future about eight billion years from now.

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

In this instance, with such an intense amount of ultraviolet (UV) radiation that accompanied the flare, a shortwave radio ...

The space rock, known as 2024 VM1, will fly past our planet on Wednesday at a minimum distance of around 193,000 miles.

NASA's Parker Solar Probe should have completed its seventh swing past Venus on Nov. 6 — the spacecraft's final maneuver ...

NASA is gearing up for its Parker Solar Probe to do a final flyby of Venus on Wednesday on its way to make a record-breaking ...