Are we finally alone in the Universe?
The concept of humanity being alone in the universe is frightening. A scan of 100,000 galaxies shows no sign of Alien civilizations.
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The Great Wall by Moonlight
Last Friday, an almost Full Moon rose as the Sun set, over the Great Wall of China in this mountainous landscape north of Beijing. Image credit Francis Audet
Greenland’s Ice Layers Mapped in 3D
Greenland’s ice layers are now mapped in 3D, thanks to NASA’s Operation IceBridge. Peering into the frozen layers inside ice sheet, is like looking back in time.