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What we know about the volcanic eruption in Tonga 00:24
Groundbreaking surgery gives hope to people suffering from debilitating fainting 04:04
Researchers at Stanford Medicine set record and crack medical mystery 08:06
Doctors transplant pig heart into a human patient in last-ditch effort to save his life 00:29
Egyptologists digitally 'unwrap' ancient pharaoh 01:12
James Webb telescope launches into space 01:44
Perfectly preserved dinosaur egg highlights link to modern birds 00:59
Inside the modern marvel that could reshape our understanding of the universe 04:00
Was the tornado disaster an effect of climate change? Scientists aim to find out 04:46
Scientists study spectacular Great Barrier Reef spawning 01:02
Early paper in Einstein's theory of relativity sells for $13M at auction 01:29
Triceratops skeleton sold at Paris auction for over $7 million to American collector 01:06
Choosing 'junk' over facts, Miami school forces vaccinated students to stay home for 30 days 04:21
NASA launches asteroid probe named Lucy into the sky with diamonds 01:13
Nobel Prize for chemistry awarded for development of tool to build molecules 01:43
Nobel Prize awarded to two U.S. scientists for discovery of receptors of temperature, touch 01:14
Watch: All-civilian SpaceX flight splashes down, four crew members safely exit capsule 02:59
Inspiration4 astronauts give St. Jude’s patients a tour of Dragon capsule 01:41
Exclusive: Inside look at world’s first 3D-printed rocket 01:45
Civilian astronauts set to blast off in Inspiration4 launch 02:04 Pedal pushers power concert in Italy 00:45 The town of Bari, Italy, puts on a concert with music lovers hopping on 128 energy-generating bicycles to power the show. TODAY.com's Dara Brown reports.Sept. 16, 2011
Read More UP NEXT
What we know about the volcanic eruption in Tonga 00:24
Groundbreaking surgery gives hope to people suffering from debilitating fainting 04:04
Researchers at Stanford Medicine set record and crack medical mystery 08:06
Doctors transplant pig heart into a human patient in last-ditch effort to save his life 00:29
Egyptologists digitally 'unwrap' ancient pharaoh 01:12
James Webb telescope launches into space 01:44 
