Meet Lonesome George, the face of extinction
The tortoise known as George was the last of his kind. Now he serves as a permanent reminder of what we've lost
Ripples from dawn of creation vanish in a puff of dust
We thought the BICEP2 telescope had seen gravitational waves from the universe's creation, but the Planck spacecraft suggests cosmic dust was the source
UN ready for climate change talks in New York
World leaders and big business are heading to the UN climate talks in New York, where secretary general Ban Ki-moon hopes to see improved ambition on emissions
Hope against the odds is mood of NY climate march
Workers, teachers and activists concerned about the climate marched alongside Al Gore, Ban Ki Moon and Jane Goodall in New York on Sunday
World on track for worst-case warming scenario
As world leaders prepare to talk tough on climate change in New York City, the stark lack of progress made so far in tackling the problem is revealed
US probe enters Mars orbit, Indian craft close behind
NASA's latest and India's first missions to Mars are going into orbit just in time to watch a comet graze the planet
I'm reverse-engineering Mesopotamian hit songs
Stef Conner is working with a group that recreated an ancient lyre and aims to recreate the song music of the 2nd millennium BC
Gender bias has no place in the British army
The time is right for women in the British army to fight in close combat alongside men, says Rosemary Bryant Mariner
Looming quakes may be betrayed by groundwater changes
Changes in the chemical make-up of underground water could be a warning that an earthquake is on the way, according to data from two recent quakes in Iceland
iPhone eye test spots vision problems cheaply
A cheap iPhone accessory that measures your glasses prescription brings eyecare to the places where it is most needed
Einstein makes an appearance in superheavy chemistry
A chemical compound using superheavy element seaborgium is the first to show effects linked to Einstein's theory of relativity
Free will persists (even if your brain made you do it)
If neuroscientists were one day able to predict your every action and decision based on brain scans, will you abandon the concept of free will? Probably not
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