One team has outlined an ambitious plan to send a probe to catch up with the mysterious space object as it travels farther and farther away from Earth.

In a new intelligence assessment, the CIA has ruled out that the mysterious symptoms known as Havana Syndrome are the result of a sustained global campaign by a hostile power aimed at hundreds of U.S. diplomats and spies.

Authorities in Sweden have confirmed a rash of mysterious drone sightings that occurred near several nuclear facilities late last week.

A tsunami advisory was in effect for the U.S. West Coast Saturday morning after an underwater volcano erupted near the Pacific nation of Tonga.

On Saturday (Jan. 8), the new observatory, the largest space telescope ever built, successfully unfolded its final primary mirror segment to cap what NASA has billed as one of its most complicated deployments in space ever.

A curious cube-like object photographed on the far side of the moon by China’s Yutu 2 lunar rover has been identified. It’s just a rock.