This computer simulation created by the Institute for Air and Space systems at the Technical University of Braunschweig, Germany, shows the distribution and movement of space debris at present and in future. (TU Braunschweig/AP/File)
5:17 pm ET -In March 2012, NASA's Fermi space telescope could have collided with a Russian naval signals satellite, were it not for an untested maneuver.
Science (View all)
- Zombie worms eat whale bones — with acid
- Was Africa the motherland of dinosaur predecessors?
- Antimatter might fall up, say physicists
- What's a monster hurricane doing on top of Saturn? (+video)
- $70 million per seat: Russia raises price for NASA astronauts on Russian rockets
- Mars One will look for — and hide from — life on Mars
- Earth permanently deformed by big quakes? Measurements in Chile challenge established theory.
- Plant gases help curb global warming, finds study
- Earth permanently deformed by really big earthquakes
- Monkeys imitate local food norms, study finds
More Science
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Waters off Northeast US coast unusually warm, says NOAA
Sea surface temperatures on the Northeast US Continental Shelf reached the highest recorded in 150 years, says an advisory issued by the National Oceanic and Atmospheric Administration.
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Comet of the century? ISON has 'potential' to be visible all day.
As sun-grazing comet ISON approaches the sun, it's getting progressively brighter – and might even flare into a dazzling object bright enough to be visible in broad daylight.
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Einstein's theory of general relativity gets most extreme test yet
In their efforts to crack the mysteries of gravity, scientists continue to probe Albert Einstein's theory of general relativity. The latest test involved a curious binary star system.
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Scientists discover ridiculously small insect
With a length about 2.5 times the width of a human hair, Tinkerbella nana was spotted in a Costa Rican forest.
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New robots crawl like sea turtles
Researchers have designed a new type of robot modeled on sea turtles known as FlipperBot. This is the first robot to use flippers against pliable surfaces and has moved the work toward amphibious robots forward.
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Astronomers discover the Ed Begley Jr. of galaxies
An international team of researchers have spotted the most fuel-efficient galaxy yet, which converts nearly 100 percent of its hydrogen gas into stars.
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Stonehenge archaeologists reveal new theory of why monument was built
Stonehenge may have been built on a site occupied by hunters for roughly 5,000 prior to its construction.
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Tiny satellites + cellphones = cheaper 'eyes in the sky' for NASA
NASA is exploring ways to send a flotilla of small satellites to a destination, rather than one large orbiter. In a first test, three tiny satellites are now on orbit and beeping back at Earth. Why the idea could be an aid to scientific research.
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Fireballs! 'Tis the season for massive meteors.
Tonight (April 23) through Friday at dawn may be your best chance of the year to spot a fireball, a meteor that shines brighter than Venus, the brightest planet in the sky.
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Earth's cooling came to sudden halt in 1900, study shows
An international study used tree rings and pollen to build the first record of global climate change, continent by continent, over 2,000 years.
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