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 ...

Pluto doesn’t meet this membership criterion because its orbit is peppered with other icy bodies in the Kuiper belt. While ...

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 ...

The small planet comes up to meet Saturn on the 24th ... having migrated in from the Kuiper Belt. This enigmatic object erupts semi-regularly, causing a one-day jump in brightness from a feeble ...

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 ...

In 2006, the International Astronomical Union (IAS) reclassified Pluto as a dwarf planet. That decision came several years after discovering the Kuiper Belt, a ring of icy and rocky objects 2.8 ...