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

Neptune sets around 8:25 p.m. and Venus sets around 9:20 p.m. Uranus ... other objects in the Kuiper Belt, according to International Astronomical Union. "A dwarf planet is an object in orbit ...

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything ... data of primitive bodies like Kuiper Belt objects, asteroids and comets ...

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

With family wealth to back him, he founded an observatory in the western dark-sky desert of the U.S. and hoped to unlock the mystery of the Red Planet. He soon became fascinated by another cosmic ...

And then, you have this third zone of icy dwarf planets, icy small bodies in the Kuiper Belt — and Pluto's the big one, the king of those. — 'What exactly is a planet?' Astronomers want to ...

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 ...

The New Horizons was the first mission to the planet Pluto and the Kuiper Belt. BRUCE WEAVER/AFP—Getty Images But Pluto has in many ways only grown in astronomers’ estimations. It is now known ...

Sure, they’re particles and rocks, but they’re still a fascinatingly long way from home. Alpha Centauri is the star system ...