Smaller hearts, poorer vision, added height among the effects caused by weightlessness.

From a spacecraft’s coolant leak to the disintegration of the Soviet Union, astronauts have gotten stuck in space for a variety of reasons over the decades of human spaceflight.

Down to their very DNA, astronauts’ bodies can change in weird and sometimes significant ways, particularly during a long flight high above the Earth: They start to elongate, often developing a taller ...

Magdrive is working on three versions of its space thrusters, and because they run on solid metal, they might one day even be powered by space junk collected directly in orbit, turning it from threat ...

Cosmic speed limits can be a major inconvenience but they've rarely stopped science fiction in its tracks.

The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a flyby on Wednesday.

Physicists have proposed a radical approach that questions decades of belief about how gravity, spacetime, and quantum mechanics fit together.

One of the best-selling sports games around for very good reason, NBA 2K25 is packed with teams and modes and looks ...

Europe's new Ariane 6 rocket successfully deployed a French spy satellite in its first fully operational launch on Thursday, ...

One consequence of this rift will be Europe being forced to spend more on defence. It's Trump's pet peeve that the US has been spending huge amounts of money to protect the North Atlantic Treaty ...

BELFAST — In the event of a peace agreement for the conflict in Ukraine, the UK has vowed to establish a European “coalition of the willing” to protect Kyiv from Moscow, by deploying ...

One bad meeting could mark the end of Ukraine Space agencies issue major update on YR4 'city killer' asteroid Iconic Tourist Attractions Around The World That No Longer Exist Career pro's top job ...