Nola, who had been receiving treatment for a bacterial infection, was put down on 22 November
It was thought that a combined effort from asteroids and volcanoes led to the extinction of dinosaurs.
Phobos will likely fall apart in between 20 and 40 million years to form a ring around Mars.
The bear is one of the twin three-year-olds at the zoo, Sakari and Suka.
Disasters caused by climate change might be costing the global economy billions each year
Nasa is working on a network of space-based sensors called FireSat to detect fires worldwide 24/7.
The blue dragon is a one-inch sea slug that packs a heap of venom
In southern Chile's Patagonia, an observation flight spots 305 bodies and 32 skeletons of dead whales.
Heir to the throne made the statements in an interview recorded before the Paris attacks
A male, who is too old to breed naturally and two females, unable to get pregnant, are the last three left.
New Testament fragment with Gospel of John was spotted by an academic who persuaded the seller to remove the item from online shopping site.
The youngster is one of just a few thousand pygmy hippos in the world.
The coal mining industry is booming in India where a new mine is opened every month.
The tools include the new experimental Orbiting Carbon Observatory-2 (OCO-2), which was launched in 2014.
Close to 6,300 registration forms belonging to Holocaust victims have been discovered.
A third of snow leopard territory is under threat from climate change.
A painting from the ancient city of Pompeii suggests that he would have suffered from condition.
There is no single new genetic entity that should be considered a unique species
Bursts of oxygen were released until a "tipping point" was crossed in Earth's atmosphere.
Scientists begin learning some of the secrets of Tamu Massif, the biggest volcano on the planet.
Why haven't we contacted aliens yet?
The streets of a Roman city would have been cluttered with all sorts of human waste before sewers
Study of Homo floresiensis teeth shows it was unique species – not a human with growth disorder.
The breeding programme has produced mixed results so far.
Authorities issue orange alert as ash cloud reaches 2,500 metres above crater.
"Russia is unlikely to spring any surprises in Paris"
The thaw can impact local environment by triggering lake outbursts and landslides.
The first GM animal to be approved will be bred and raised in secure land-based facilities in Canada and Panama.
400 million years ago, the first forests began to sprout.
Group of 22 healthy Tasmanian Devils sent home to save species from cancer that threatens them with extinction.