A dwarf planet hiding right in the middle of our solar system could be a surprising source of frozen water, astronomers ...

In 1995, astronomers confirmed the discovery for the first time of a brown dwarf, a body too small to be a star and too big ...

When the vote passed, Pluto was no longer considered a planet and instead became the most famous dwarf planet in the solar ...

At 6 light-years from Earth, a discovery is shaking up astronomy. A new planet, Barnard b, has been detected orbiting a red ...

The first “failed star” ever discovered has been a weird outlier since it was discovered 20 years ago. New observations show ...

As much as over 90 percent of the dwarf planet's crust could be water ice, giving some insight, the researchers believe, into ...

Research indicates that Ceres, initially believed to be rocky, is predominantly icy, challenging earlier views. The findings ...

Scientists confirm Gliese 229B is a pair of brown dwarfs, not one Gliese 229Ba and Gliese 229Bb complete their orbits in 12 ...

Astronomers resolve longstanding mystery of Gliese 229B's dimness, despite its considerable mass. A Caltech-led team ...

Ceres, we think, is therefore the most accessible icy world in the universe.' The outer crust of the dwarf planet Ceres, which at 588 miles (946 kilometers) across is the largest object in the ...

Scientists have been observing a brown dwarf for decades, and now they have discovered that it is actually two dwarfs ...

Recent studies suggest that the dwarf planet Ceres, the largest object in the asteroid belt between Mars and Jupiter, may have once contained a muddy ocean beneath its surface. This new understanding ...