Source of the radio waves was tracked to a location that matches that of NASA’s defunct Relay 2 spacecraft, which launched in ...

A video of the static fire test showed a large plume of exhaust burning through part of the booster.

Investigators said the explosion seemed to come from a process at the facility that burns off "volatile organic compounds." ...

A powerful and mysterious blast of radio waves that astronomers believed was a fast radio burst (FRB) from far beyond the ...