Prolonged time in space led to skin thinning in three mice on International Space Station.
Video released showing rescuers evacuating residents in southern China after series of devastating floods.
A fierce heatwave has killed more than 1,400 people in India in the past month.
Mars' upper atmosphere more similar to Earth's than previously thought, scientists say.
The Majarona is an elementary particle that is its own antiparticle.
Teenager who survived being trapped in a canal for 42 minutes dubbed a miracle by doctors.
Decadal scale change is being caused by Atlantic ocean currents moving heat from tropics to the north.
Technique works far faster in Egypt, where it's hot and dry.
Neanderthal skull shows signs of being murdered and dumped in Sima de los Huesos underground cave.
New species of hominin lived between 3.3 and 3.5 million years ago.
New butterfly house at Whipsnade Zoo in Bedfordshire opens doors to members of the public for the first time.
Amateur footage of tornado released by Ohio town police department.
Not all of the science in Dwayne Johnson's earthquake disaster flick is completely wrong.
Seven of its accounts were frozen by the Indian government on alleged violations of fund transfer.
Environmental organisation launches new campaign video against oil company Shell.
Glaciers on Mount Everest will experience sustained ice loss over next 85 years.
Texas Governor Greg Abbott declares state of disaster in 40 counties.
Who's 'responcible' she wonders, for those white streaks in the sky.
British archaeologists have discovered the remains of medieval nuns who died in disgrace after being accused of immoral behaviour.
Study shows how surface UV would have increased as much as 14% if CFCs had not been banned.
Volcanic islands in Zubair archipelago show region is more volcanically active than previously thought.
Astrophysicist says competition would be good way of boosting space travel.
Lava from the 1.7km high Wolf volcano could endanger pink land iguanas that live on the island.
Plans to reform Russia's imploding space industry announced by Deputy Prime Minister Dmitry Rogozin.
Huge storms ripped through northern Mexico and the south-western US, spawning deadly tornadoes and flash flooding.
California's record drought could become so dire that state residents will have to drink their own sewage, say experts.
Airborne ragweed pollen will by four times higher by 2050, study finds.
Category 4 twister destroyed homes and upended cars, and kills at least two children.
Professor Yuval Noah Harari claims human dissatisfaction will lead us to become cyborgs.
Tepco reports 26 containers storing radioactive water are leaking.