A 3-D look at universe of 11 billion years ago
The largest-ever three-dimensional map of the distant universe has been created using the light of the brightest objects in the cosmos. Full story
Alien bacteria could breed in extreme 'hypergravity'
If alien life is out there, it may be able to exploit more-extreme environments than scientists think, because huge gravitational forces don't seem to pose much of a problem for microbes. Full story
Earth From Space: An Astronaut's Quest to Protect Our 'Fragile Oasis'
From 220 miles above Earth on the International Space Station, American astronaut Ron Garan certainly has a unique perspective of our home planet. Full story
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Dylan joins NASA on an Alaskan adventure
TODAY's Dylan Dreyer takes a helicopter ride with NASA scientists as they monitor melting ice caps and glaciers in Alaska in hopes of protecting beaches and shorelines for the future.
NASA building planet-saving radar system
NASA is working on a radar system to track asteroids that pose a danger to Earth. WESH’s Dan Billow reports.
