Gliese 581 g shot to the top of a list put out by researchers at the University of Puerto Rico at Arecibo’s Planetary Habitability Laboratory (PHL) after a new study marshaled support for its long-debated existence...
The finding could be put to use at a new facility opening in 2020 that might create new elements—that is, nuclei with more than 118 protons—in addition to new isotopes of the known elements...
The same lab that first reported the shocking results last year, which could have upended modern physics, now reports that neutrinos "respect the cosmic speed limit"
To celebrate the last transit of Venus in the 21st century, astronomers and skywatchers came together in many sites around the world
Tarter is shifting into a full-time fund-raising role for the SETI Institute, which had to shut down a set of alien-hunting radio telescopes for more than seven months last year due to budget shortfalls...
The company's Falcon 9 liftoff this morning represents the potential of a new era in U.S. spaceflight, the White House science adviser says
Science fiction writers will always, by definition, be one step ahead of engineers, and interstellar travel and time travel still elude them
This is the first widely visible "ring of fire" solar eclipse in the U.S. in nearly 18 years
Scientists are shocked to find that a giant shock wave long suspected of existing in front of the sun is not there
Data from the Dawn spacecraft now reveal that Vesta, as wide as the state of Arizona, is large enough to have had its own internal geologic evolution
Blue Origin's spacecraft sports a biconic shape and recently underwent wind tunnel testing at a Lockheed Martin facility in Dallas
The MAVEN mission will investigate Mars's upper atmosphere, in an attempt to understand what caused it to disappear
The "Star Trek" actor was on hand when the shuttle Enterprise flew in atop a jumbo jet Friday and explained the show's influence on the shuttle's name
North Korean officials have said the Unha 3 rocket, a three-stage booster, was carrying a small weather- and Earth-monitoring satellite
There can sometimes be discrepancies between the ecclesiastical and astronomical versions for dating Easter
A giant telescope will soon begin its search for the first stars and galaxies
Two Congressmen expressed concern that the 2013 budget proposal takes away from NASA's robotic missions to Mars
New discoveries are making chlorophyll-d and a cyanobacterium named Acaryochloris marina interesting for scientists trying to find life on extrasolar planets
Spring is arriving early in a meteorological sense in the eastern U.S., and in an astronomical sense as well, making its earliest arrival since 1896
The online Slooh Space Camera will broadcast a free, real-time feed of the Mars opposition, beginning at 11:00 P.M. EST
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