People always want to know what will happen to Earth when the sun eventually swells up as a red giant. For one thing, the ...

Scientists are intrigued after spotting a highly unusual celestial object lurking at the very edge of our solar system.

The newly discovered object, named 2017 OF201, has a 25,000-year orbit and is believed to be a large contender for dwarf ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

Hunting for the building blocks of life? Located in the asteroid belt, Ceres is likely a good bet, study finds ...

The International Astronomical Union’s Minor Planet Center, which catalogs new moons and other small bodies in the solar ...

In a thrilling development that challenges long-held assumptions about the outer reaches of our solar system, astronomers ...

Though the Milky Way is generally always visible, it isn't always as bright and vibrant as it will be in coming days.

That changed in 2006 when the International Astronomical Union declared that the faraway orb was a dwarf planet due to its location, known as the Trans-Neptunian region, according to NASA.

These signals, discovered by Dr Iris de Ruiter, reflect the interaction between a hidden white dwarf star and a red dwarf star ... for any credible communication signals from beyond our planet.

The dwarf planet is a bizarre, cryovolcanic world. However, the organic deposits discovered on its surface so far are unlikely to originate from its interior. The organic material found in a few ...

A color-enhanced view of Ceres, the nearest dwarf planet to Earth, high­lights its Oc­ca­tor crater. Credit: NASA / JPL-Caltech / UCLA / MPS / DLR / IDA Pluto is the most famous dwarf planet ...