21 May 2013, 03:30 PM ET
New process can 3D print objects using wood, salt and other natural materials.
21 May 2013, 03:19 PM ET
A chart of tornado deaths since 1875.
21 May 2013, 03:18 PM ET
Tide-borne pebbles on the seabed can drown out other ocean noises.
21 May 2013, 02:39 PM ET
The newly discovered pirate ant has a dark stripe over its eyes that may help ward off predators.
21 May 2013, 02:23 PM ET
The ill-fated vessel was last seen off the Irish coast.
21 May 2013, 02:01 PM ET
The Allosaurus used its neck and body to tug flesh from carcasses.
21 May 2013, 01:55 PM ET
Tornadoes hit the same spot twice west of Moore, Okla.
21 May 2013, 01:54 PM ET
Man's best friend may also be man's best hope.
21 May 2013, 01:43 PM ET
A study of seabirds shows that penguins traded flight to become better swimmers.
21 May 2013, 01:22 PM ET
The nascent technology could be put to good use on the high seas.
21 May 2013, 12:57 PM ET
3D printing will change the world. Learn about the science and technology that makes 3D printing work, how 3D printing is used and what the future holds.
21 May 2013, 12:51 PM ET
The animal lives at elevations above 3 miles.
21 May 2013, 12:17 PM ET
Survey teams will analyze the damage to help them reconstruct details of the tornado's life cycle.
21 May 2013, 12:09 PM ET
Conditions above Moore were perfect for a violent vortex.
21 May 2013, 11:43 AM ET
When should someone experiencing the loss of a loved one be diagnosed as depressed?
21 May 2013, 11:30 AM ET
During wet periods, some of the first evidence of language appears.
21 May 2013, 11:17 AM ET
The news that a powerful tornado in Oklahoma struck schools may cause children to develop anxiety.
21 May 2013, 11:15 AM ET
The storms that gave rise to the Moore, Okla. tornado and others nearby were sighted from space.
21 May 2013, 10:47 AM ET
Palm lines, or palmar creases, can reveal more than you think.
21 May 2013, 10:36 AM ET
This intriguing space wallpaper from ESO’s Very Large Telescope shows the glowing green planetary nebula IC 1295 surrounding a dim and dying star. It is located about 3300 light-years away in the constellation of Scutum (The Shield).
21 May 2013, 10:15 AM ET
A massive tornado tosses debris in Dale, Oklahoma. Powered by NewsLook.
21 May 2013, 09:59 AM ET
A pair of bottlenose dolphins being trained by the Navy to find undersea object, including mines, is being praised for discovering a relic.
21 May 2013, 09:53 AM ET
The basic facts and most-asked questions.
21 May 2013, 09:43 AM ET
A large coronal mass ejection from the active sun could affect entire continents, scientists say.
21 May 2013, 09:18 AM ET
The NASA/NOAA GOES-13 satellite captured the midwest tornado outbreak. The time-lapse covers May 19th-20th, 2013. (Looped 3X)