Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar ...

This explorer spacecraft is heading to a rare asteroid with a naked metal core. It could hold clues to how Earth began ...

Almost 20 years after Pluto was infamously downgraded from its status as a planet, scientists now believe they have discovered a new planet in our solar system.

NASA have found something new moving in our Solar System. Even thought it's not water, still a phenomenon worth of time ...

OF201, the object belongs to the same all-star family as Pluto: dwarf planets. Its diameter, roughly 435 miles (700 km), is ...

The half-lit lunar disk will rise alongside the ringed giant Saturn and dimmer Neptune in the early morning hours of June 19, ...

In the latest shutdown, the cosmic ray subsystem experiment on Voyager 1 and Voyager 2’s low-energy charged particle ...

"We didn't know what exactly to expect from these first observations – the sun's poles are literally terra incognita,” Sami ...

The European Space Agency's Solar Orbiter spacecraft returns first-ever data of the Sun collected from a 17-degree tilted ...

James Webb’s mid-infrared vision has likely captured a frigid, Saturn-mass planet shaping the dusty rings around the nearby ...

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...