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CAPE CANAVERAL, Fla. — The military’s small, top-secret version of the space shuttle rocketed into orbit Tuesday for a repeat mystery mission, two years after making the first flight of its kind. The Air Force launched the unmanned spacecraft Tuesday hidden on top of an Atlas V rocket. As if on cue,...

Kerosene lamps used in off-grid, rural areas are a major problem. They’re bad for people’s healthand the environment’s. One startup’s...

Just shy of a full year encircling the moon, NASA’s twin lunar probes are bidding farewell on Monday, crashing in a controlled fashion into a small mountain-like...

The decline of large predators and other “apex consumers” at the top of the food chain has disrupted ecosystems all over the planet, according...

A new study combining data from the European Southern Observatory’s Very Large Telescope and the European Space Agency’s XMM-Newton X-ray space...

Social studies of Facebook and Twitter have been adapted to gain a greater understanding of the swarming behaviour of locusts. The enormous success of...

The majority of ‘elliptical’ galaxies are not spherical but disc-shaped, resembling spiral galaxies such as our own Milky Way with the gas...

Tropical lizards may be slow. But they aren’t dumb. They can do problem-solving tasks just as well as birds and mammals, a new study shows. A Duke...

A troop of raincoat-clad peasants tramps through a damp forest, eyes locked on the ground. Wicker baskets hang at their sides; they carry sticks and knives. They...

The notion that nature itself will act as a check on the atmospheric excesses of humanity has long held a fair amount of appeal, not least because it draws...