The journey of light from the very early universe to modern telescopes is long and winding.
New research using data from NASA's Van Allen Probes mission helps resolve decades of scientific uncertainty over the origin of ultra-relativistic electrons in Earth's near space environment
New Delhi: Sky enthusiasts, get ready to witness another much-anticipated astronomical event coming up this month.
In preparation for the 50th Anniversary and Memorial ceremony of President John F. Kennedy's assassination
By drawing on issues at the core of contemporary archaeology and anthropology, we can be much better prepared for contact with an extraterrestrial civilization, should that day ever come.
MOIRE program creates first-ever images using lightweight membrane optics, which could help redefine how we build, launch and use orbital telescopes
After emitting its first significant solar flares since June 2013 earlier in the week, the sun continued to produce mid-level and significant solar flares
Scientists from around the world are gathered this week at NASA's Ames Research Center in Moffett Field, Calif., for the second Kepler Science Conference
More than three-quarters of the planet candidates discovered by NASA's Kepler spacecraft have sizes ranging from that of Earth to that of Neptune
A clear majority of Americans still suspect there was a conspiracy behind President John F. Kennedy's assassination
The Senate Armed Services Committee says Defense Secretary Leon Panetta and Gen. Martin Dempsey, the chairman of the Joint Chiefs of Staff, will testify on Thursday
Mars rover, Opportunity, is driving to a new study area after a dramatic finish to 20 months on "Cape York" with examination of a rock intensely altered by water.
The U.S. government, led by the Pentagon and CIA, censored or withheld for reasons of national security
Since last year’s revelations about the National Security Agency’s massive communications data dragnets, the spy agency has been inundated with requests
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