Gravity measurements taken by a Nasa spacecraft indicate that a small moon orbiting Saturn contains an underground ocean in its southern hemisphere.
The latest big thing in science will also permit analysis of how much dark energy drove the inflation of the universe.
In a major discovery for understanding the origins of the universe, US scientists say they have detected echoes of the Big Bang 14-billion years ago.
Our list of exoplanets grew by 700 last week – but how many might be habitable?
An unmanned rocket has blasted off from Cape Canaveral to put the newest member of Nasa's space communications network into orbit.
Florence Porcel, a Frenchwoman living in Paris, would give anything to live on Mars, saying she has always felt "a bit cramped on Earth".
Space station astronauts have repaired a crippled cooling system during a rare Christmas Eve spacewalk.
This year bought very little cheer, so the Mail & Guardian trawled far and wide to find two handfulls of news that brought a smile to our faces.
Those who think developing nations can better spend money used for space exploration are "just wrong", says former Nasa astronaut Mae Jemison.
Dr Mae Jemison, the first African-American woman in space, says developing countries should be involved in space exploration.
Some interesting discoveries in the world of science.
Two astronauts aboard the International Space Station have begun a spacewalk to try to fix an ammonia leak in a cooling system.
An astronaut living at the International Space Station has taken South Africa to new heights by tweeting pictures of the country as seen from space.
China's next manned space mission will launch between June and August, carrying three astronauts to an experimental space module, says a report.
Opponents of Egypt's President Mohamed Morsi are voting on an online contest to send him where no Islamist leader has gone before: outer space.
A Spanish photojournalist conjures up an imagined series of what a Zambian space mission might have looked like in her book The Afronauts.
The 77 000kg Endeavour space shuttle has journeyed 19km to its new home at the California Science Centre where it will feature in a new exhibit.
Liu Yang (33), who has become the first Chinese female space traveler, said she was doing it on behalf of hundreds of millions of Chinese women.
China will launch a spacecraft to conduct its first manned space docking the latest in a plan aimed at giving the country a permanent space station.