NGC 7635, also called the Bubble Nebula, is an emission nebula lit from within by the hot, young star SAO 20575.

Michael John Griffin/Warren Keller The North America Nebula (NGC 7000) glows in Cygnus at magnitude 4 at a distance of 2,600 ...

“That’s why we call it a ‘cosmic joust,’” said Pasquier Noterdaeme, a researcher for the Paris Institute of Astrophysics and the French-Chilean Laboratory for Astronomy in Chile who was ...

Deciphering the universe’s secrets is partly done through observation, but just as important are solid models of the forces ...

Johann Strauss’ “Blue Danube” will be beamed into space this month to commemorate the Austrian composer’s 200th birthday — and to correct the “cosmic mistake” of being left out of ...

But recent research points to an even more thrilling role: these winds might be the missing source of ultra-high-energy cosmic rays, the most energetic particles ever observed in the universe.

An image taken by the Atacama Large Millimeter/submillimeter Array (ALMA) shows the molecular gas content of the two galaxies involved in the cosmic joust. (CNN) — Astronomers have for the first ...

It also includes other particles such as neutrinos and cosmic rays, which race through the universe at close to the speed of light. Curiously, "cosmic rays" are not actually rays—this name has ...