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Former U.N. climate chief: Exclude fossil fuel firms from climate talks 02:24
Northern lights illuminate the skies over Minnesota 01:08
Trailblazing NASA astronaut will be first woman on Lunar mission 05:11
Paging Agent Mulder: NASA to use AI to study UFOs 05:03
Pentagon unveils ‘one-stop shop’ site for non-classified UFO docs 00:32
How a Long Island community is giving a boost to oyster population 04:01
Bear necessities: How scientists are tracking Yellowstone’s grizzlies 03:01
Loch Ness Monster hunters launch massive search to foster new interest 04:11
NASA delays launch to International Space Station 02:59
Where is Barbie Land? Neil deGrasse Tyson figured it out! 01:19
Neil deGrasse Tyson shares tips on how to stargaze 03:54
How educators are teaching science through skating and surfing 04:20
Al Roker tests Neil deGrasse Tyson in weather-related space quiz 01:26
Neil deGrasse Tyson talks India landing on the moon’s south pole 02:57
Taking a rare look inside CDC mosquito lab as officials raise new West Nile virus concerns 02:26
Record high water temperatures take toll on Florida's coral reefs 01:56
Sunday marks 78 years since scientists first tested nuclear bomb 01:34
Qantas orders 12 new airbus planes designed for 20-hour flights 04:53
Scientist who lived underwater for 100 days recounts how his body changed 03:15
Why the Canadian wildfire smoke turned the sky in NYC orange 01:05
Solar plane touches down in St. Louis 00:41 The Solar Impulse lands in St. Louis to completes the third leg of a cross-country solar powered flight en route to New York. NBCNews.com's Dara Brown reports. June 4, 2013
Read More UP NEXT
Former U.N. climate chief: Exclude fossil fuel firms from climate talks 02:24
Northern lights illuminate the skies over Minnesota 01:08
Trailblazing NASA astronaut will be first woman on Lunar mission 05:11
Paging Agent Mulder: NASA to use AI to study UFOs 05:03
Pentagon unveils ‘one-stop shop’ site for non-classified UFO docs 00:32
How a Long Island community is giving a boost to oyster population 04:01 
