Imitation black hole seen on earth

Astrophysics deals mostly with things that are so distant -- thousands or billions of light years away -- that we can't ever hope to see them up close. But clever scientists can do the next best thing to making a light-year ...

Moths use ultrasound to defend against bats

While a clear night sky might seem quiet and peaceful to us, empty of everything but stars, this nocturnal world is filled with a high-pitched cacophony of sound just beyond our ability to hear. Bats pierce the shadows with ...

Final frontier: Crowd sees spaceship launcher fly

(AP) -- Hundreds of earthlings turned their faces to the sky Monday to see an airplane built to launch a ship into space, watching the gleaming white craft soar overhead.

Searching for ET: Hawking to look for extraterrestrial life

Renowned physicist Stephen Hawking and Russian-born billionaire Yuri Milner on Monday announced an ambitious bid to combine vast computing capacity with the world's most powerful telescopes to intensify the so far fruitless ...

Stephen Hawking, a life in 10 dates

Here are 10 key dates in the life of renowned British physicist Stephen Hawking, who died Wednesday at the age 76:

Eyes, ears of US military take shape in high-tech labs

A Global Hawk robotic plane, hovering more than 11 miles above Afghanistan, can snap images of Taliban hide-outs so crystal clear that U.S. intelligence officials can make out the pickup trucks parked nearby - and how long ...

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