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Image Credit: NASA
The US space agency's (Nasa) latest Mars satellite has arrived successfully in orbit above the planet.
Hurtling through space for the past 10 months, the Maven craft slammed on the brakes by firing its thrusters.
The 33-minute burn removed sufficient speed to allow the satellite to be captured by Mars' gravity.
Maven has been sent to study the Red Planet's high atmosphere, to try to understand the processes that have robbed ...
The modern European gene pool was formed when three ancient populations mixed within the last 7,000 years, Nature journal reports.
Blue-eyed, swarthy hunters mingled with brown-eyed, pale skinned farmers as the latter swept into Europe from the Near East.
But another, mysterious population with Siberian affinities also contributed to the genetic landscape of the continent.
The findings are based on analysis of genomes from nine ancient Europeans.
Agriculture originated in the Near East - in ...
Image Credit: John Mitani
A major study suggests that killing among chimpanzees results from normal competition, not human interference.
Apart from humans, chimpanzees are the only primates known to gang up on their neighbours with lethal results - but primatologists have long disagreed about the underlying reasons.
One proposal was that human activity, including destroying habitats and providing food, increased aggression.
But the new findings, published in Nature, suggest this is not the case. ...
Image Credit: ESA / Rosetta / MPS for Osiris Team
Scientists and engineers have spent weeks studying the 4km-wide "ice mountain" known as 67P, looking for a location they can place a small robot.
They have chosen what they hope is a relatively smooth region on the smaller of the comet's two lobes.
But the team is under no illusions as to how difficult the task will be.
Comet 67P/Churyumov-Gerasimenko, currently sweeping through space ...
Image Credit: Contour Crafting
Imagine opening the curtains in the morning and instead of grey skies and rain, looking out at a rust-coloured rocky panorama.
The year is 2045. You have woken up on Mars.
If you build it
Colonising Mars could happen sooner than you think. Elon Musk plans to build a city there. Nasa wants to send people by 2035. Then there's the Mars One mission, Big Brother for the slightly suicidal. ...
Image Credit: BBC
Construction has begun on a giant observation tower in the heart of the Amazon basin to monitor climate change.
The Amazon Tall Tower Observatory is expected to rise 325m from the ground.
Its instruments will gather data on greenhouse gases, aerosol particles and the weather in one of the largest continuous rain forests on the planet.
Brazilian and German scientists hope to use the data to better understand sources of greenhouse ...
LIGO 1st Gen
The Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO) instrument, a laser "ruler" built to measure the traces of gravitational waves, is progressing at amazing speed, scientists say.
The first generation of LIGO, which ran between 2001 and 2010, saw nothing.
Over the last four years scientists have designed a more sensitive detector that achieved "full lock" in June this year, earlier than planned.
Researchers reported that the new one is already 30% ...
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