Stars that pass close to the solar system could pull planets out of alignment, sending them hurtling into the sun or out into ...

The International Astronomical Union, which reclassified Pluto as a dwarf planet in 2006, is the arbiter of such ...

From gravel-size meteoroids to mountain-size asteroids and even visitors from other star systems, space is packed with ...

Elon Musk has voiced his support for reinstating Pluto's planetary status, responding to a social media prompt advocating for ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper spacecraft has successfully ...

Pluto is no longer considered a planet because it doesn't meet all the criteria set by the International Astronomical Union.

NASA engineers have revived old thrusters on Voyager 1 to prevent a clog from endangering the mission during a planned ...

The Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper spacecraft has successfully completed its initial commissioning following the October 14, 2024, launch. Scheduled to arrive in the ...

The spacecraft is currently beyond the heliosphere, the sun’s bubble of magnetic fields and particles that extends well beyond the orbit of Pluto. The mission team had to take a risk by ...