When some stars die, they do not do so alone, potentially solving a long-standing mystery around a particular class of cosmic explosion called an interacting supernova.

NASA's nuclear-powered mission to Mars is taking shape with the selection of Firefly Aerospace to design and manufacture the protective aeroshell that will shield the Skyfall spacecraft's descent stage during its plummet through the Martian atmosphere.

The next American flag to be planted on the moon has been placed in the hands of one of the last astronauts to walk on the lunar surface.

A constellation of cubesats fitted with special detectors could sniff out nuclear weapons hidden on satellites launched by adversary nations, a new study suggests.

Venus pairs up with Regulus on July 9 before meeting a slender crescent moon on July 17.

The American Earth-observation company Vantor is now mapping Earth from space in 3D, and the images are stunning.