It must have cleared all other celestial bodies, except its own moons, from its orbit.

A quick-fire quiz is leaving Brits completely baffled. You'll need to get at least eight questions right to prove you have ...

Using the James Webb Space Telescope, an international cooperation of NASA and the European and Canadian space agencies, a ...

A rare solar wind event was taking place when NASA’s Voyager 2 zipped by in 1986, a study suggests, which affected what we ...

The researchers revealed that Uranus’s protective magnetic field was distorted, and seemed wonky and weak, being squashed and ...

In the time Pluto was found, classified as a planet and reclassified as a dwarf planet, it has not completed one orbit. One ...

Curiosity used its Left Navigation Camera on Nov. 8, 2024 - sol 4357, or Martian day 4.357, of the Mars Science Laboratory ...

One example of the picture was available on the website for NASA's Mission Juno, said to be "exploring Jupiter, seeking to ...

The most famous Keiper belt object is the dwarf planet Pluto. If Pluto was somehow deflected toward the inner solar system, there is a good chance ... but the constellation is setting before 8:00 now.

"Thirty days hath September" is so last year. Check out these other clever, helpful mnemonic devices to help you remember all ...

The traditional Chinese solar calendar divides the year into 24 solar terms. Frost's Descent, (Chinese: 霜降), the 18th solar term of the year, begins this year on Oct 23 and ends on Nov 6. Frost's ...

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 ...