A flash of radio waves from a young galaxy 3 billion years after the Big Bang is lighting up 80% of the universe’s history.

Niobium, a heavy metal never before found in a white dwarf, shows up in the atmosphere of HS 0209+0832 at more than 1,000 ...

Spacecraft don't really retire the way people do. There's no gold watch, only a final command, a last burst of data, or a ...

Scientists have just confirmed finding the most distant blazar to date. Designated OP 313, this blazar is located about 8 ...