From the smallest stars to the largest planets, discover the cosmic marvels that defy expectations. Learn about the biggest ...

Astronomers say they’ve discovered the most distant body ever observed in our solar system, a potential dwarf planet that’s about 11 billion miles from the sun. Its nickname? “Farout.” ...

Nobody was using the term Dwarf Planet until 2006 when the International Astronomical Union (IAU) had a vote to redefine what ...

The Earth has just one moon - the Moon. Pluto is a dwarf planet. As the name suggests, a dwarf planet is smaller than a planet. Its force of gravity is not strong enough to pull in all the many ...

Astronomers have asked the public to help name a minor planet in our Solar System discovered in 2007. The dwarf planet, which orbits the sun beyond Neptune, has since been referred to as (225088 ...

Hygiea, classified as an asteroid so far, might actually be a dwarf planet. The European Southern Observatory has been able to confirm that Hygiea has a spherical shape. But, Hygiea is missing a ...

Dwarf planets Pluto and Ceres are also suspected of having an underground ocean, as are some of the moons of Uranus. “We know that the presence of liquid water is essential for life,” said Ojha.

In billions of years, our Sun will expand into a red giant, likely engulfing Earth before shrinking into a white dwarf—a dense, glowing stellar remnant. While this process destroys most planets ...