Telescopes provide closeup views of Jupiter and its four largest moons discovered by Galileo, and of Mars. Although Mars is ...

Magnetars are among the rarest—and weirdest—denizens of the galactic zoo. They have powerful magnetic fields and may be the ...

A new study from the NASA New Horizons mission team at the Southwest Research Institute have resulted in a first-of-its-type ...

Comets that have hit Earth have been a mixed bag. Early in Earth's history, during the solar system's chaotic beginning, they ...

All but one of Andromeda's satellite galaxies were found to be pointing right at us. According to our best models, that shouldn't be the case at all.

"Ophion is filled with stars that are set to rush out across the galaxy in a totally haphazard, uncoordinated way, which is far from what we’d expect for a family so big," said Dylan Huson of Western ...