Mysterious particle found after decades, Mysterious Particle Found After Decades of Searching, A phenomenon first predicted in 1937 may have finally been seen in the real world, scientists say. An elusive particle that is its own antiparticle may have been found, and, if confirmed, would be the first time a phenomenon predicted decades ago has been seen in a real system.

New NASA videos reveal moon's evolution

New NASA videos reveal moon's evolution, See How Earth's Moon Evolved in New NASA Videos, The high-resolution images show sharp mountains and leftover trails from the Apollo landing sites. Two new NASA videos use the latest close-up imagery of the moon from the Lunar Reconnaissance Orbiter to reveal Earth's natural satellite in a whole new light. From year to year, the moon never seems to change. Craters and other formations appear to be permanent now, but the moon didn't always look like this. Thanks to NASA's Lunar Reconnaissance Orbiter, we now have a better look at some of the moon's history. Learn more in this video!

Antarctic Beauty & Death: The Brinicle

Antarctic Beauty & Death: The Brinicle, Icy Finger of Death, Video: In this fascinating footage, watch an ice stalactite -- or brinicle -- grow downward in Antarctic waters. Its lovely, briny creep is deadly to sea creatures. Watch as a brinicle plunges toward the seabed from the Antarctic ice shelf above.