the researchers looked at what they call the "unresolved gamma-ray background" — that is, all of the faint and mysterious gamma-ray signals that are left over after known sources like black ...

It is made of cosmic rays – charged subatomic particles that ... ESA senior science advisor Mark McCaughrean tweeted that the stars in the background are in the direction of the constellation ...

Twitter is a place for mild banter, impassioned opinions and occasionally, a hip-hop feline. On Wednesday, the Tampa Bay Rays joined the NFL's Buccaneers, Atlanta Falcons, Carolina Panthers and ...