Astronomers are puzzled by a strong burst of radio waves traced back to a NASA satellite that had been inactive since the ...

Scientists in Australia detected a brief, powerful radio burst from NASA’s Relay-2 satellite, which has been inactive since 1967. Space experts suggest the signal may have been caused by an ...

A short but powerful radio signal has left astronomers stunned — not because of its strength, but because of its source. In ...

A team of astronomers and astrophysicists affiliated with several institutions in Australia has found that a mysterious fast ...

In a surprising twist that has left space scientists scratching their heads, a long-dead NASA satellite suddenly emitted a ...

The way Dad designed the map means that it points back to Earth both in space and in time ... last longer, and have also-dead orbital companions. These binary pulsars afford a second set of ...

The record holder for zombie satellites is AMSAT-OSCAR 7, an amateur radio satellite launched in November 1974 and operated ...

A hot-air balloon has caught fire and tumbled from the sky in Brazil’s southern state of Santa Catarina, killing eight people. Thirteen people survived and have been taken to hospitals on ...

Their commute back down to Earth was one heck of a ride. Using a series of parachute deployments, the Dragon slowed down from an orbital speed of about 17,500 mph (2,816 kph) to 350 mph (482 kph ...

Once the mission on the moon is finished, Starship will take off and dock with Orion again and the two astronauts will re-board the capsule, undock and head back to Earth. The Starship will remain ...