NASA
Science at Nasa: Science Casts: A Summer of Super Moons
The summer of 2014 will be bathed in moonlight as three perigee "supermoons" occur in consecutive months: July, August, September. [July 8, 2014) [3:33]
NASA
Science at Nasa: Science Casts: El Nino Is 2014 the New 1997?
The Jason-2 satellite sees something brewing in the Pacific. Researchers say it could be a significant El Nino with implications for global weather and climate. (May 19, 2014) [3:48]
NASA
Science at Nasa: Science Casts: Bright Explosion on the Moon
NASA researchers who monitor the Moon for meteoroid impacts have detected the brightest explosion in the history of their program. (May 16, 2013) [4:00]
NASA
Science at Nasa: Science Casts: Amateur Scientists Discover Galactic Bubbles
Amateur scientists have made an effervescent discovery: The Milky Way Galaxy is bubbling like a glass of champagne. [3:25]
NASA
Science Casts: Iss "Firestation" to Explore the Tops of Thunderstorms
Sometimes, Earth mimics a supernova, producing a Terrestrial Gamma-ray Flash from the tops of thunderstorms. A new lightning sensor on the International Space Station could solve the mystery of these energetic bursts. [3:53]
NASA
Science at Nasa: Science Casts: Fruit Flies on the International Space Station
A new species is about to join astronauts on the International Space Station: Drosophila melanogaster, also known as the "fruit fly." Genetically speaking, the bug-eyed insects have a lot in common with human beings, and they are poised...
NASA
Science at Nasa: Science Casts: Colliding Atmospheres Mars vs Comet Siding Spring
Comet Siding Spring is about to fly historically close to Mars. The encounter could spark Martian auroras, a meteor shower, and other unpredictable effects. Whatever happens, NASA's fleet of Mars satellites will have a ringside seat....
NASA
Science at Nasa: Science Casts: One Year to Pluto
NASA's New Horizons spacecraft is only a year away from Pluto. Researchers are buzzing with anticipation as NASA prepares to encounter a new world for the first time in decades. (July 14, 2014) [3:22]
NASA
Science at Nasa: Science Casts: Big Mystery in the Perseus Cluster
A mysterious X-ray signal from the Perseus cluster of galaxies, which researchers say cannot be explained by known physics, could be a key clue to the nature of Dark Matter. (July 21, 2014) [3:42]
NASA
Science at Nasa: Science Casts: Hidden Magnetic Portals Around Earth
A NASA-sponsored researcher at the University of Iowa has developed a way for spacecraft to hunt down hidden magnetic portals in the vicinity of Earth. These portals link the magnetic field of our planet to that of the Sun. (June 28,...
NASA
Science at Nasa: Science Casts: Collision Course? A Comet Heads for Mars
A comet is heading for Mars, and there is a chance that it might hit the Red Planet in October 2014. An impact wouldn't necessarily mean the end of NASA's Mars program. But it would transform the program along with Mars itself. (Mar. 27,...
NASA
Science at Nasa: Science Casts: The Sun's Magnetic Field Is About to Flip
Something big is happening on the sun. The sun's global magnetic field is about to flip, a sign that Solar Max has arrived. (August. 5, 2013) [4:03]
NASA
Science Casts: No Turning Back West Antarctic Glaciers in Irreversible Decline
A new study led by NASA researchers shows that half-a-dozen key glaciers in the West Antarctic Ice Sheet are in irreversible decline. The melting of these sprawling icy giants will affect global sea levels in the centuries ahead. (May...
NASA
Science Casts: Mysterious Objects at the Edge of the Electromagnetic Spectrum
NASA's Fermi Gamma-Ray Telescope is finding hundreds of new objects at the very edge of the electromagnetic spectrum. Many of them have one thing in common: Astronomers have no idea what they are. [3:27]
NASA
Science at Nasa: Science Casts: The Coolest Spot in the Universe
NASA researchers plan to create the coldest spot in the known Universe - inside the International Space Station. The device, known as the Cold Atom Lab, could discover new forms of matter and novel quantum phenomena. (Jan 30, 2014) [3:51]
NASA
Science at Nasa: Science Casts: 600 Mysteries in the Night Sky
The Fermi Gamma-ray Space Telescope recently produced a map of the night sky. Out of 1873 new sources, nearly 600 were complete mysteries. In this week's ScienceCast, researchers speculate on the nature of the mystery objects - including...
NASA
Science at Nasa: Science Casts: An Alignment of Planets
The brightest planets in the night sky were aligning for a must-see show in late February and March 2012. [3:32]
NASA
Science at Nasa: Science Casts: Space Time Vortex
NASA has announced the results of an epic physics experiment that confirms the reality of a space-time vortex around our planet. [2:48]
NASA
Science at Nasa: Science Casts: A Star With Spiral Arms
Using a Japanese telescope, NASA-supported researchers have found the first clear case of a star with spiral arms. [3:36]
NASA
Science at Nasa: Science Casts: Power of Sea Salt
Aquarius is the first NASA sensor to track ocean salinity from space and aims to help uncover how the salinity of Earth's oceans is affecting our climate. [3:04]
NASA
Science at Nasa: Science Casts: Big Surprise
NASA's Voyager probes reached the edge of the solar system and found something surprising there - a froth of magnetic bubbles separating us from the rest of the galaxy. [2:58]
NASA
Science at Nasa: Science Casts: Starting Fire in Water
Astronauts on the ISS are experimenting with a form of water that has a strange property: it can help start a fire. This fundamental physics investigation could have down-to-Earth benefits such as clean-burning municipal waste disposal...
NASA
Science at Nasa: Science Casts: A Sudden Multiplication of Planets
In 2014, NASA announced a breakthrough addition to the catalog of new planets. Researchers using Kepler have confirmed 715 new worlds, almost quadrupling the number of planets previously confirmed by the planet-hunting spacecraft. Some...
NASA
Science at Nasa: Science Casts: Weird Planets
Once, astronomers thought planets couldn't form around binary stars. Now Kepler has found a whole system of planets orbiting a double star. This finding shows that planetary systems are weirder and more abundant than previously thought....