WD 1856+534b—a freezing world with a surface temperature of -125 degrees Fahrenheit—exists where planets are normally scoured ...

The lone planet confirmed to be in the system is squeezed in between the two, orbiting at a distance similar to Earth's distance from the Sun. And, as an added bonus, the planet is orbiting backward ...

Pluto was reclassified as a dwarf planet in 2006 ... celestial body that could be a possible candidate as "Planet Nine," according to a new paper, which has been accepted for publication in ...

A planet circling at a sharp 90-degree angle to the orbits of its two host stars has now been confirmed. This discovery challenges long-standing ideas about how planets form and orbit in the cosmos.

But there are always new surprises -- especially when NASA's ... Sep. 27, 2024 — A crater-rich dwarf planet named Ceres located in the main asteroid belt between the orbits of Mars and Jupiter ...

The surface of the planet was documented by NASA’s New Horizons mission, which flew by in 2015. It found icy mountains, volcanoes that may spew ice and a large heart-shaped feature on the dwarf ...

Until not many years ago, scientists didn’t think planets could exist around a pair of stars. The complications from the ...

Structures known as "zippers" and "twisters" in the early universe may explain why dwarf galaxies tend to line up with each ...