The universe is slowly dying. That is the depressing but intriguing conclusion of astronomers.
Astronauts aboard the International Space Station have tasted lettuce grown in space for the first time.
A pair of Russian cosmonauts began their working week by cleaning the windows of the International Space Station.
This is a unique and stunning view of the side of the Moon we do not normally see.
The US has extended its contract with Russia to fly astronauts to the International Space Station due to budget cuts.
67P is a comet with a difference. For a start, it has a companion: in orbit about it is Europe's Rosetta space probe.
A new exhibit features two pieces of debris, one from each lost shuttle, as well as poignant, personal reminders of the 14 ...
There has been debate among scientists about when the vital shield generated by Earth's liquid iron core formed.
Information collected by Europe's Philae spacecraft is reshaping scientists' thinking about these icy bodies called comets.
Astronomers have discovered lithium in a type of stellar explosion known as a nova for the first time.
The fridge-sized robotic lab, which landed on a comet called 67P/Churyumov-Gerasimenko, last made contact via the Rosetta orbiter on July 9.
Investigators cited inadequate training of test pilots as a leading factor behind last year's fatal crash of Virgin Galactic passenger spaceship.
If this is the only place in the galaxy with intelligent life, then Earth is some sort of miracle, say scientists.
Nasa's discovery of an Earth-like exoplanet has social media buzzing about the chances of finding a faraway world.
Analysis shows distinct layers of haze in Pluto's nitrogen, carbon monoxide and methane atmosphere.