Science@NASA
NASA ScienceCasts Narrators
Science News
Solar System
Jun 30, 2018
A coordinated effort is being made by many nations around the world to detect and track near-Earth objects, such as asteroids.
Solar System, Sky Watching
Aug 23, 2016
Venus and Jupiter are converging for a spectacular conjunction in the sunset sky on August 27th.
Solar System, Mars, Planets of Our Solar System
Aug 1, 2016
NASA is sniffing out the sweet smell of methane on Earth, Mars and beyond. It's a greenhouse gas and, in some places, possibly a sign of life.
Solar System
Jun 30, 2016
NASA's Planetary Defense Coordination Office is working to keep Earth safe from asteroids and other hazards that come from deep space.
Solar System, Mars, Planets of Our Solar System, Sky Watching
May 20, 2016
Mars and Saturn are getting together in the constellation Scorpius for back-to-back oppositions in May and June 2016.
Solar System
Mar 10, 2016
When the Space Age began, explorers were eager to visit the planets of the solar system. As the years have passed, however, astronomers have realized that the moons of the solar system may be even more interesting.
Solar System, Planets of Our Solar System, Sky Watching
Mar 4, 2016
On March 8th, 2016 Earth and Jupiter will have a close encounter. The giant planet will be "up all night," soaring almost overhead at midnight and not setting until the sky brightens with the twilight hues of sunrise on March 9th. In July, the Juno mission will give us an even closer look.
Solar System, Planets of Our Solar System
Oct 27, 2015
NASA's Cassini Spacecraft is about to make a daring plunge through one of the plumes emerging from Saturn's moon Enceladus.
Solar System, Sky Watching
Oct 23, 2015
Look east before sunrise in late October for a beautiful conjunction of bright planets.
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.
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.
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.
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.
Solar System
May 11, 2015
May 11, 2015: One day, when humans go to Mars, they might find that, occasionally, the Red Planet has green skies.
In late Dec. 2014, NASA's MAVEN spacecraft detected evidence of widespread auroras in Mars's northern hemisphere. The "Christmas Lights," as researchers... Read More
Universe, Sun, Solar System
May 5, 2015
May 5, 2015: As May of 2015 unfolds, Halley's Comet is more than 5 billion kilometers from Earth, receding into the inky blackness of the outer solar system, where its looping orbit takes it every 76 years. Dim and distant, history's most famous comet won't be back until sometime... Read More
