NASA ScienceCasts
NASA Science news is too exciting for plain text. Educational "ScienceCast" videos are fun, lively, entertaining--anything but plain. Join us for a new episode weekly as we look into the science behind discoveries on Earth, the Solar System, and beyond...
Visit Show Website http://sciencecasts.nasa.gov/Recently Aired
-
HD
ScienceCast 42: Re-thinking an Alien World
A distant super-Earth named "55 Cancri e" is wetter and ...
A distant super-Earth named "55 Cancri e" is wetter and weirder than astronomers thought possible. The discovery has researchers re-thinking the nature of alien worlds.
-
HD
ScienceCast 41: Tracking Meteoroids
A new iPhone app just released by NASA harnesses the ...
A new iPhone app just released by NASA harnesses the power of citizen scientists to track space debris around Earth.
-
HD
ScienceCast 40: Smallest Terrestrial Planet?
NASA's Dawn probe has found some surprising things on the ...
NASA's Dawn probe has found some surprising things on the giant asteroid Vesta--things that have prompted one researcher to declare Vesta "the smallest terrestrial planet."
-
HD
ScienceCast 39: A Super-Sized Lunar Eclipse
On Dec 10th, sky watchers in the western United States ...
On Dec 10th, sky watchers in the western United States will witness a total lunar eclipse swollen to super-sized proportions by the Moon illusion.
-
HD
ScienceCast 38: The Great Lakes of Europa
Scientists studying data from NASA's Galileo probe have discovered what ...
Scientists studying data from NASA's Galileo probe have discovered what appears to be a body of liquid water the volume of the North American Great Lakes locked inside the icy shell of Jupiter's moon Europa.
-
HD
ScienceCast 37: Terrifying Auroras
A distant world is being hit by solar storms so ...
A distant world is being hit by solar storms so ferocious, the entire planet is probably enveloped in auroras. Researchers speculate that the display is probably as beautiful as it is terrifying.
-
HD
ScienceCast 36: Mystery of the Lunar Ionosphere
How can a world without air have an ionosphere? Somehow ...
How can a world without air have an ionosphere? Somehow the Moon has done it. Lunar researchers have been struggling with this mystery for years, and they may have finally found a solution.
-
HD
ScienceCast 35: Stellar Extremophiles
"GALEX" has found stars forming in extreme galactic environments, places ...
"GALEX" has found stars forming in extreme galactic environments, places where researchers thought stars should not be. The finding could affect astronomy much as the discovery of microbial extremophiles affected biology in the 1970s.
-
HD
ScienceCast 34: A Star with Spiral Arms
Using a Japanese telescope, NASA-supported researchers have found the first ...
Using a Japanese telescope, NASA-supported researchers have found the first clear case of a star with spiral arms.
-
HD
ScienceCast 33: The Sleepy Hollows of Mercury
NASA's MESSENGER probe has discovered a surprise on Mercury: Something ...
NASA's MESSENGER probe has discovered a surprise on Mercury: Something is digging "hollows" in the surface of the innermost planet.