Astronauts have been working to locate and seal a small leak that has opened up aboard the orbiting outpost.
The US military's mysterious X-37B has spent almost a year in space on its latest secretive mission.
A US State Department official has revealed that one Russian satellite is exhibiting 'very abnormal behavior'.
Trump's plan to establish American dominance in space could be set in motion sooner rather than later.
In a recent Twitter exchange, Leland Melvin described seeing 'something organic/alien-like' in the payload bay.
The nine astronauts will be embarking on the first manned launches from American soil since 2011.
The new mineral is reportedly harder than diamond and has a never-before-seen molecular structure.
Scientists now believe that terraforming Mars to make it more habitable is not possible using today's technology.
Today marks exactly six decades since the National Aeronautics and Space Administration was established.
The third rocket-powered test flight of SpaceShipTwo provided its pilots with a spectacular view of our planet.
The European Space Agency is offering a prize to the person who manages to come up with the winning name.
A particle that has traveled from deep space could help scientists to unravel the mysteries of the universe.
Back in 2017, Cassini picked up the sounds of plasma waves travelling between Saturn and Enceladus.
Bacteria that mutate during a trip in to space could become a threat to life on Earth, scientists claim.
NASA's $1.5 billion Parker Solar Probe will be venturing closer to the Sun than any spacecraft in history.
As if space junk wasn't already enough of a problem, a war in space could litter the planet's orbit with tons of debris.
The disconcerting snake-like contraption is capable of hovering and changing shape in mid-air.
The ambitious new space telescope continues to be plagued by a never-ending string of setbacks.
China's Tiangong-2 space station recently spent ten days 95km closer to the Earth than its usual orbit.
This brand new branch of the US military will aim to establish American dominance in outer space.