In a mesmerizing new video released by NASA, the full reentry of the Orion test space vehicle is chronicled -- and it's a phenomenal 10-minute ride from fiery reentry to sudden splashdown into the Pacific Ocean.
This image, a composite of x-ray, infrared, and optical data, shows the most massive galaxy cluster ever discovered at its distance: a staggering 9.6 billion light-years away, altogether containing the equivalent mass of 400 trillion suns. Continue reading →
NASA's Kepler space telescope has detected its first new extrasolar planet after mission engineers were able to save the mission from a premature death after two of the exoplanet hunter's four stabilizing reaction wheels failed last year.
A gas strongly associated with life on Earth has been detected again in the Martian atmosphere, opening a new chapter in a decade-old mystery about the on-again, off-again appearance of methane on Mars.
The MESSENGER mission is approaching the end of its operational life, but before it dies, you can help NASA name 5 of Mercury's craters.
A new laser link with the International Space Station could do what optical fiber has done for internet access on Earth -- by turning orbital communications from painfully slow dial-up to blazing-fast broadband. Continue reading
The spacecraft woke at 9:30 pm from its 18th hibernation period since its 3-billion-mile voyage began in January 2006.
NASA's New Horizons robotic spacecraft will get a wake-up call at 3 p.m. ET Saturday to begin preparing for a long-anticipated study of Pluto.
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