A new study of gamma-ray light from the center of our galaxy makes the strongest case to date that some of this emission may arise from dark matter
NASA has suspended contact with Russian government representatives, citing ongoing violations of Ukraine's sovereignty and territorial integrity
The sun emitted a significant solar flare, peaking at 1:48 p.m. EDT March 29, 2014, and NASA's Solar Dynamics Observatory captured images of the event.
Arctic sea ice has been in sharp decline during the last four decades. The sea ice cover is shrinking and thinning...
Legislators on Thursday grilled NASA's top official about the possible impact of the Crimea crisis and criticized proposed missions to capture a near-Earth asteroid
The Rosetta spacecraft has caught a first glimpse of its destination comet since waking up from deep-space hibernation on Jan. 20.
NASA released Thursday an image of a comet that, on Oct. 19, will pass within 84,000 miles of Mars -- less than half the distance between Earth and our moon.
How do you grow a supermassive black hole that is a million to a billion times the mass of our sun?
On March 27, 2004, NASA’s X-43A shattered existing speed records for aircraft with air-breathing engines when the scramjet-powered vehicle reached a speed of Mach 6.83
NASA's Z-2 Suit is the newest prototype in its next-generation spacesuit platform, the Z-series.
Touring the Milky Way now is as easy as clicking a button with NASA's new zoomable, 360-degree mosaic presented Thursday at the TEDActive 2014 Conference in Vancouver, Canada.
This new Hubble image is centered on NGC 5793, a spiral galaxy over 150 million light-years away in the constellation of Libra.
A spacecraft that looks like a giant sunflower might one day be used to acquire images of Earth-like rocky planets around nearby stars.
In celebration of the 24th anniversary of the launch of NASA's Hubble Space Telescope, astronomers have captured infrared-light images of a churning region of star birth 6,400 light-years away.
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