
Biophysics: Partitioning by collision
An ensemble consisting of a binary mixture of particles of equal size can partition itself into its component fractions - provided that the two species differ in their diffusion constants. If you sh ... more
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'Meteorite' kills man in south India, authorities say
Indian authorities say a falling object that killed a bus driver and injured three others was a meteorite. If proven, it would be the first such death in recorded history. ... more
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Ex-US climate envoy: Trump threatening 'consensus science' worldwide
How did an Indian zoo get the world's most endangered great ape?
Australian scientists grapple with 'despicable' butterfly heist
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Dawn now circling Ceres in its final orbit
A veteran interplanetary traveler is writing the closing chapter in its long and storied expedition. In its final orbit, where it will remain even beyond the end of its mission, at its lowest altitu ... more
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'Cannibalism' between stars
Stars are born inside a rotating cloud of interstellar gas and dust, which contracts to stellar densities thanks to its own gravity. Before finding itself on the star, however, most of the cloud lan ... more
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The forgotten moon landing that paved the way for today's space adventures
Crashing into a planet is seldom a good idea. If you're trying to travel to another world, you're likely to land at tens of kilometres per second unless you do something serious to slow down. When N ... more
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Millisecond pulsars are likely to account for dark matter signal in galactic centre
The puzzling excess of gamma rays from the centre of the Milky Way probably originate from rapidly rotating neutron stars, or millisecond pulsars, and not from dark matter annihilation, as previousl ... more
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Edgar Mitchell, astronaut who walked on Moon, dead at 85
US astronaut Edgar Mitchell, one of just 12 people to have walked on the Moon, has died aged 85, his family and NASA said Friday, calling him a "pioneer." ... more
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