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ScienceCasts: Milestones in Review Poster Image
Jan 24, 2017
We’re over 230 episodes in! Which were your favorites? From our home planet to discovering new worlds, find out:
Sun
Oct 20, 2015
The ESA/NASA Solar and Heliospheric Observatory has discovered more than 3000 doomed comets that have passed close to the sun. 
Thousands of Doomed Comets Poster
Universe
Sep 30, 2015
Astronomers using NASAs Hubble Space Telescope have discovered an immense cloud of hydrogen evaporating from a Neptune-sized planet named GJ 436b. The planet's atmosphere is evaporating because of extreme irradiation from its parent star.
good-year-perseid-meteors
Solar System
Sep 22, 2015
On Sunday, Sep. 27th, the super Harvest Moon passed through the shadow of Earth, producing a lovely amber total lunar eclipse.
Total Eclipse of the Harvest Moon Poster
Sun
Sep 11, 2015
NASA's MMS spacecraft are flying around Earth in a precise formation made possible by an out-of-this-world system of GPS navigators.
NASA Spacecraft takes Space GPS to New Heights Poster
Earth
Aug 28, 2015
NASA-supported researchers have found that ice covering Greenland is melting faster than previously thought. The action is happening out of sight, below the surface.
The Hidden Meltdown of Greenland Poster
Solar System, Sky Watching
Aug 10, 2015
This week, Earth passes through a stream of debris from Comet Swift-Tuttle, source of the annual Perseid meteor shower. Forecasters say the show could be especially good this year because the Moon is nearly new when the shower peaks on Aug. 12-13.
A Good Year for Perseid Meteors Poster
Sky Watching
Jul 24, 2015
The second full Moon of July is just around the corner. According to modern folklore, it is a "Blue Moon."
Summer Blue Moon Poster
Earth
Jul 21, 2015
Predicting floods is notoriously tricky. Sponsored by NASA, a new computer tool known as the "Global Flood Monitoring System" is improving forecasts.
Predicting Floods Poster
ISS
Jul 10, 2015
Advances in the understanding of how fluids behave in low gravity is key to spacecraft operations. A long-awaited spin-off is an excellent cup of coffee in space.
Space Coffee Poster
Earth
Jun 25, 2015
With support from NASA, the EPA has developed an app to track algae that can threaten fresh water supplies.
Good Bad Algae Poster
Solar System, Planets of Our Solar System, Sky Watching
Jun 8, 2015
Venus and Jupiter are converging for a must-see close encounter at the end of June. It could be the best backyard sky show of 2015.
Amazing Sunset Sky Show Poster
Universe
May 26, 2015
As the Hubble Space Telescope celebrates its 25th anniversary, scientists are reflecting on the key role astronauts played in allowing the telescope to continue making great discoveries.
Handprints on Hubble Poster
Earth
May 22, 2015
The common roundworm shares a surprising amount of genetic material with humans - enough, in fact, to make them the good substitutes for astronauts in low-gravity medical studies.
ScienceCasts: Roundworms Have the Right Stuff
Solar System
May 14, 2015
On Earth, a fast runner takes a few hours to complete a marathon. On Mars, it's taken 11 years. NASA's Opportunity rover crossed that finish line in 2015.
ScienceCasts: The First Martian Marathon