Fully-formed building blocks of DNA have been found in meteorites, suggesting an extraterrestrial origin for some of the chemicals deemed necessary for organic life.
The Perseid meteor shower 2011 peaks overnight. The nearly-full moon will mask all but the brightest meteors, but even if you can't see the shooting stars, you can hear them on your FM radio.
Jodie Foster, who portrayed a scientist working for the SETI Institute in the 1997 science-fiction film 'Contact,' has donated to help revive the ailing project, which was forced to close some of its radio telescopes earlier this year.
Darkest planet ever discovered is a gas giant but reflects only 1 percent of the light falling on it. Scientists speculate an unknown chemical or gas is absorbing light.
Perseid meteor shower watchers will be dodging a full moon at the shower's peak on Friday and Saturday. Here are some tips for watching the Perseid meteor shower.
Solar storms have been picking up since 2008. A new flare Tuesday is the biggest in several years and is part of a pattern of solar storms scheduled to last until 2020.
Perseid meteor shower fans should go out Wednesday and Thursday a.m. to avoid the glare from the moon. The Perseid meteor shower peak is Aug. 13.
NASA launches Juno, its newest planetary explorer, on a 1.7 billion-mile, five-year voyage to Jupiter. Scientists hope to pierce Jupiter's cloudy veil and fill in the blanks on the origins of the oldest planet.
Jupiter, perhaps more than any object in the solar system, is thought to hold the key to understanding planet formation. On Friday, NASA sends the Juno spacecraft hurtling toward Jupiter to probe the planet's constituent parts.
NASA's ongoing quest to 'follow the water,' in hopes of finding hints of life on Mars, has uncovered seasonally-appearing dark streaks that researchers call 'the best evidence we have to date of liquid water occurring today' – that is, not in the ancient past – 'on Mars.'