Pluto may not be a planet any more, but you still have a chance to see the distant dwarf planet at one of Michigan's ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

Gaia-4b, a giant exoplanet orbiting a small star, is the first planet confirmed using Gaia’s astrometric technique.

Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...

And one of those moons, known as Charon, is half the size of Pluto itself. But that’s not the only thing that’s unusual about ...

Prepare to get schooled If you have kids in school, or even if you don’t, you’ve probably realized that there’s a lot about ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

Lobster-eye satellite Einstein Probe captured the X-ray flash from a very elusive celestial pair. The discovery opens a new ...

Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision. But their ...

If, then, the particles required to form the earth were all brought together ... planets keep very close to the ecliptic. All must, then, be regarded as having always been members of the solar ...