This graphic shows the orbits of all the known Potentially Hazardous Asteroids (PHAs), numbering over 1,400 as of early 2013.
Researchers at the University of Rochester have measured for the first time light emitted from a nanodiamond levitating in free space
On May 30, 2013, I talked with a witness who provided me with a detailed account of his encounter with an unidentified flying object
NASA's new short film "Water Falls" invites the public along for the ride as scientists follow water around the globe — on a globe.
An artist has created a sketch of the mysterious "angel priest" who witnesses say appeared at the scene of a Missouri car accident Sunday
NASA's Juno spacecraft is halfway to Jupiter.
On Aug.11 and 12, 2013, the annual Perseid meteor shower will peak
Very excited that tonight, I will be a guest on Coast to Coast AM with George Noory.
Don’t be fooled by the title; the mysterious, almost mystical bright light emerging from these thick, ominous clouds is actually a telltale sign of star formation.
Over the last hundred years, the human population has exploded from about 1.5 billion to more than seven billion, driving an ever-increasing demand for resources.
The house-sized rock that exploded in the skies near Chelyabinsk, Russia, in February may have been a member of a gang of asteroids that poses a threat to Earth
What if we got to land on Europa's surface and conduct something along the lines of a more in-depth interview?
Something big is about to happen on the sun.
I was living in Africa the first time I saw a pyrosome, and I nearly cried.
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