"Weather" in clusters of galaxies may explain a longstanding puzzle, according to a team of researchers at the University of Cambridge.
A new technique for analysing satellite images may help scientists detect and count stranded whales from space.
A team led by a University of Hawaii at Manoa chemistry professor and researcher has been able to provide answers to key questions about the surface of Saturn's moon Titan.
The Korean Peninsula in East Asia can be seen in this image captured by the Copernicus Sentinel-3 mission
Science experiments continue aboard the International Space Station as two NASA astronauts prepare for their first spacewalk together, which is set to take place Friday.
NASA astronaut Andrew Morgan takes an out-of-this-world "space-selfie" during a spacewalk to upgrade International Space Station power systems on the Port- 6 (P6) truss structure.