The big methane seas on Titan, a moon of Saturn, contain volumes that dwarf all the proven reserves of oil and gas on Earth, say scientists.
Scientists from the University of Lyon have discovered a new way to split hydrogen gas from water, using rocks.
A South American parrot is reclassified as a species in its own right, which could help save the bird from becoming extinct in the wild.
The big methane seas on Titan, a moon of Saturn, contain volumes that dwarf all the proven reserves of oil and gas on Earth.
A mummified dinosaur provides evidence the scaly animals had fleshy head combs, say scientists.
Plumes of water may be spouting from Jupiter's icy moon Europa - considered one of the best places to find alien life in the Solar System.
The US space agency is assessing a problem with one of two cooling systems aboard the International Space Station.
Former astronaut Chris Hadfield describes how seeing the earth from space changed his view on the world.
A cave on the northwestern coast of Sumatra holds a remarkable record of big tsunamis in the Indian Ocean stretching back thousands of years.
The battle between US drug regulators and genetic-testing company 23andme pits consumer safety against freedom of information.