Near a village in northeastern India, a “dwarf”-like creature with a “large” mouth swam through the river — or tried to, at least. But something pulled it out of the water, moved it around and dropped ...

Decades of constant X-ray emission from the Helix Nebula’s white dwarf suggest debris from a Jupiter-sized planet steadily rains upon the star.

A whole universe of hidden galaxies lies just beyond what the eye can see. Thanks to a new generation of space telescopes, ...

Stars are born from vast clouds of gas and dust, known as nebulae, that are scattered throughout most galaxies. Over thousands to millions of years ...