Einstein's theory of general relativity views time similarly to width, height, and length. As such, both time and space can be curved by gravity. This effectively means that time is slower the closer ...

Illustration of Starlab, a commercial space station under development by a joint venture led by Voyager Space. Credit: Voyager Space WASHINGTON — The inclusion of a 30-day demonstration mission in ...

Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The idea that space-time exists is no more ...

Artemis II crew members stand before the Orion crew module that will take them to the moon. From left are: Jeremy Hansen, mission specialist; Victor Glover, pilot; Reid Wiseman, commander; and ...