New evidence shows that catastrophic climate change probably destroyed 96% of species at the end of the Permian period. It could happen again
Scientists find that antiretroviral treatment should be administered before HIV virus has weakened the immune system
Discovery of method for blocking enzyme that spreads cancer cells to bones is described as ‘important progress’ in prevention of secondary stage of disease
When you spend five years watching kangaroos, you start to see some strange things.
A study of three mice that spent 91 days on the International Space Station finds abnormalities in their skin.
Researchers develop a system that adapts to damage in less than a minute, paving the way for robots in the home.
Nearly three-quarters of fresh shop-bought chickens test positive for food poisoning bug campylobacter in year-long study.
Up to 120,000 animals are feared dead in central Kazakhstan, and still the cause is not known. Vets are investigating three main possibilities
An eruption this week on the Galapagos islands threatened the region's iconic wildlife – but it now seems to be in the clearincluding the world's only population of pink iguana
Designed to give paralysed people more independence, the implant also lets us see if brain activity can show a person's decisions – before they realise they've made any
Both NASA and private firms want to drag resource-rich asteroids closer to home to mine them, but that could stir up dust that could collide with satellites
An accidental discovery shows that shining lasers on a form of graphene makes it move forwards, a find that could lead to better solar-powered spacecraft
CERN's recently restarted Large Hadron Collider has collided two proton beams at a record energy of 13 teraelectronvolts, meaning experiments are about to resume
Watch as a Canadian inventor travels the length of three football fields on a hoverboard that would make Marty McFly proud
New study predicts glaciers in the Everest region could decline by 70 to 99 percent over the next eight decades
Amid uncertainty over future Russian space station missions, NASA orders first crew flight from Boeing and awaits information
Australopithecus deyiremeda, which lived about 3.4 million yeas ago, suggests our ancestors were more diverse than we thought
There's a lot of messy housekeeping when you're in orbit—and a lot of exciting work too
It's traveling at 98% the speed of light, from a galaxy 260 million light years away
It seemed to make sense that the childhood Hib vaccine could cut leukemia risk by keeping the immune system in check. But proving there's cause and effect at work turns out to be a challenge.
The Obama administration announces a regulation it says is aimed at protecting the country's rivers, lakes and other waterways from pollution. But critics say it's a massive regulatory overreach.
A U.K. researcher says the environmental argument for eating bugs isn't working on its own. She says chefs and policymakers must "make insect dishes appeal as food, not just a way to save the planet."
Scientists say it's not just a murder from another era, but also part of one of the earliest mass graves.
Wild birds identify “good” seeds without first opening the shells by weighing them and by listening to the sound produced when clicking their beaks on the shell, according to a recent study
139 new species were identified in South East Asian region in 2014, including four moths named after Thai princesses and a new mammal
A genetically engineered version of a virus that normally causes cold sores shows real promise for treating skin cancer, say researchers.
The Antarctic ozone hole would have been 40% bigger and a hole over the Arctic would have opened up if ozone-depleting chemicals had not been phased out, according to research.
A study tests the idea that large crowds can be counted using data from mobile phone usage and Twitter.
An experimental Parkinson's treatment abandoned in the 1990s has been revived – and could restore a person's control of their movement within five years
Storms and other extreme weather in Mexico, Texas, Oklahoma and Alaska could be the first signs that climate's bad boy is back with a vengeance