Avi Loeb, a cosmologist who studied black holes and served as head of Harvard’s astronomy department until 2020, has been ...

The US military begins tracking a mysterious spacecraft maneuvering near one of the Space Force’s missile-warning satellites ...

In 1920, the term “robot” made its debut in a Czech play; 106 years later, robots made their debut on the battlefield.

Over the course of his extensive career, Steven Spielberg has never shied away from exploring his personal obsession with ...

A previously undisclosed account from a US fighter pilot shot down over Iran has sparked fresh questions about the ...

A US fighter pilot rescued from Iran says his F‑15 was surrounded by a jellyfish‑like swarm of 'alien' drones moments before ...

Not every sci-fi show stands the test of time, but these are the classic sci-fi shows that are still worth watching today.

The pilot told intelligence officials he saw multiple drones moving together in a jellyfish-shaped formation moments before ...

As the Pentagon races to build more resilient satellite constellations and other space capabilities to defend against threats ...

Israel and Hezbollah have agreed to halt heavy fighting in southern Lebanon, easing pressure on a fragile U.S.-Iran peace ...