Sunset is a special time of day. Low-hanging clouds glow vivid red and orange as the background sky turns cobalt blue.
The journey of light from the very early universe to modern telescopes is long and winding.
The Justice Department selected an avowed political supporter of President Obama to lead the criminal probe into the IRS targeting of tea party groups
Wednesday was another key day for a challenge to the government's ability to indefinitely detain anyone under the laws of war.
On Jan. 28, 2014, NASA's Interface Region Imaging Spectrograph, or IRIS, witnessed its strongest solar flare since it launched in the summer of 2013.
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
In preparation for the 50th Anniversary and Memorial ceremony of President John F. Kennedy's assassination
What might look like a colossal jet shooting away from a galaxy turns out to be an illusion.
Self-proclaimed alien abductee Stanley Romanek was arrested in Colorado last week for child pornography possession and distribution.
A University of Colorado Boulder research center will launch two payloads aboard Orbital Sciences Corp.’s commercial Cygnus spacecraft
For the first time in more than a decade, five NASA Earth science missions will be launched into space in the same year, opening new and improved remote eyes to monitor our changing planet.
Pre-emptive strikes will be launched under secret guidelines to protect computer systems
Using the powerful eye of NASA's Hubble Space Telescope, two teams of scientists have found faint signatures of water in the atmospheres of five distant planets.
Scott Carpenter was one of the icons of NASA's early efforts to explore the new frontier of space.
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