The White House has promised to quadruple nuclear power by 2050. To get there, some closed nuclear plants are coming back ...

The space agency said supernovas typically brighten rapidly over a period of several weeks before they slowly start to dim. This example, however, took months to ...

CAPE CANAVERAL, Fla. — NASA has lost contact with a spacecraft that has orbited Mars for more than a decade. Maven abruptly ...

Astronauts Tom Stafford and Wally Schirra delighted mission control with their rendition of the Christmas classic ...

For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may ...

Tom Cruise reportedly avoided seeking a favor from President Donald Trump to facilitate his ambitious project to film a movie ...

A 54-year-old woman was arrested while securing a police clearance after officers discovered there is an existing active ...

Maven, an acronym for Mars Atmosphere and Volatile Evolution, abruptly stopped communicating with ground stations on Dec. 6.

Kim officially became an astronaut in 2017. Expedition 72 and Expedition 73 marked Kim’s first visit to the ISS, where he ...

NASA has lost contact with one its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars ...

Extended stays in space like that of Suni Williams and Butch Wilmore, the 'stranded' astronauts at the International Space Station for nine months, are very valuable for devising systems to protect ...