Space rocks big enough to destroy a city hit the Earth much more often than thought, according to an estimate by a private group devoted to preventing disaster from such orbital killers.
NASA is developing the capabilities needed to send humans to an asteroid by 2025 and Mars in the 2030s
In the movie Transcendence, which opens in theaters on Friday, a sentient computer program embarks on a relentless quest for power, nearly destroying humanity in the process.
Using NASA's Kepler Space Telescope, astronomers have discovered the first Earth-size planet orbiting a star in the "habitable zone"
Pivoting planets that lean one way and then change orientation within a short geological time period might be surprisingly habitable
In 1989, the Department of State published a notorious volume that purported to document U.S. foreign policy towards Iran in the early Eisenhower Administration.
Life took root more than four billion years ago on our nascent Earth, a wetter and harsher place than now, bathed in sizzling ultraviolet rays.
NASA released Thursday an image of a comet that, on Oct. 19, will pass within 84,000 miles of Mars -- less than half the distance between Earth and our moon.
Water has been detected in the atmosphere of a planet outside our solar system with a new technique that could help researchers to learn how many planets with water exist throughout the universe.
A collage of radar images of near-Earth asteroid 2006 DP14 was generated by NASA scientists using the 230-foot (70-meter) Deep Space Network antenna
New images from NASA's Curiosity Mars rover show Earth shining brighter than any star in the Martian night sky.
The postwar, sequestration-era Army is working on becoming “a smaller, more lethal, deployable and agile force,”
A team of scientists say they have solved a long-standing mystery of why UFO-lights sometimes appear just before an earthquake.
“Ladies and gentlemen, start your robots!”
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