When did the last of the ground sloths disappear? The standard answer is “about 10,000 years ago”.
Football managers and people climbing the corporate ladder face choices about how to chase the ultimate prize. Now game theory suggests what's best
It's becoming possible to edit our genes to treat and prevent conditions like HIV and sickle cell disease or, more controversially, create designer babies
Our dreams are so bizarre that parts of the brain that usually try to make sense of language seem to power down rather than attempt to understand them
Spraying ordinary paper with specialised materials can make flexible light-up displays that could be used on packaging and newsprint
A family of predatory cockroaches that lived 100 million years ago has been discovered in fossils found in Myanmar
Our galaxy has only ever merged with small galaxies, not large ones. This low-key history has left it bereft of dark matter from outside
In projects across the United States, batteries are providing backup power and integrating renewable energy into the nation's electric grid.
The secret life of seeds includes the transformation from tiny to immense and a role in the most famous assassination of the Cold War.
A new superconducting chip made by IBM demonstrates a technique crucial to the development of quantum computers.
WASHINThe U.S. Air Force on Wednesday said it plans to launch an aging weather satellite at an expected cost of hundreds of millions of dollars to prevent a gap in forecasting capability and provide another competitive launch opportunity for privately held Space Exploration Technologies Inc, or SpaceX.
A day before NASA's Messenger is set to crash land into Mercury, the space agency released these stunning pictures
"It's a totally bizarre animal. We believe it can fly, though it probably was not a great flyer"
An American Lung Association report found 44 percent of Americans live in counties where the air is unhealthy to breathe
Two months from a historic flyby of Pluto, New Horizons is now detecting surface features on the icy world for the first time
In dramatic, partially successful test flight, Amazon founder's company launched craft to altitude of 58 miles; company intends to compete for space tourism business
A Russian spacecraft carrying much-needed supplies failed to complete its mission, and now it's spiraling back toward Earth. The head of Russia's space program admits this failure is a big concern. Elaine Quijano reports.
The energy used per person can be lower on a plane than in a car
Just 8 percent of doctors practicing urology are female. But urologists treat kidneys and urinary tracts, not just prostates and penises. That male-focused image may be scaring patients away.
Astronomers using telescopes in Hawaii and California have found two exoplanets orbiting a star a mere 54 light-years away. The discovery is important for two big reasons.
SKA chooses Jodrell Bank, near Manchester, over historic Italian site
New research says that a German speaker and an English speaker perceive the world in different ways – thanks to the grammatical toolkit they’re using
Visual browsing must sit at the heart of future internet discovery, bringing contextual life to the world around us
Nasa’s Cassini spacecraft snaps detailed image of crater-filled moon, which looks like a dodgy crumpet but is largely composed of water ice and rock
For 13 hours today, astronomers thought Earth had gained a new, temporary moon – but it turned out to be the Gaia space telescope
Not all living creatures are victims of climate change – some are actively helping to raise temperatures and melt ice
This is a video of a lateral line, an organ that allows fish to sense water movement, developing in a zebra fish.
The enormous tremor that has devastated Nepal packed 10 hydrogen bombs' worth of energy at an unusually shallow depth
Thousands of salamanders and frogs face an additional challenge this year as they cross roads to mate and lay eggs
Elon Musk's SpaceX and Jeff Bezos' Blue Origin share a state and a goal, but the similarities end there