Astronomers have discovered six young red dwarf stars that appear to have completely engulfed planets in orbit around them.

The long, puzzling dwarf planet Ceres, in reality the first named asteroid, has surface features that are much more complex ...

Somewhere between 50 and 200 million years ago, in three stellar nurseries not far from our corner of the Milky Way, at least ...

Astronomers have discovered the first evidence that tiny red dwarf stars can devour their own planets.

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Two decades ago, the International Astronomical Union—which defines and names celestial bodies—redefined the criteria for being a planet, putting Pluto into the new category of dwarf planet ...

Scientists with the Institute for Advanced Study’s School of Natural Sciences say they have found a possible dwarf planet that they have dubbed an "extreme cousin" of Pluto. They say that the possible ...

Add Yahoo as a preferred source to see more of our stories on Google. Earth has a newly-discovered neighbor in the solar system. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...

Our solar system is much like a trail of microcosmic breadcrumbs: Follow the molecular bits as far back as they go, and you'll learn a thing or two about where many of our planets and other celestial ...

WASHINGTON >> Scientists have identified an object about 435 miles wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a ...