Learn about the steps which physics took to get to where we are now... string theory.
Grades 8 to 12
Grades 8 to 12
This video shows a reconstruction of the Antikythera mechanism, a 2000 year old astronomical computer!
Although we often hear Mars is quite similar to Earth, it's also radically different. These differences will provide some serious challenges for landing a human mission there and sustaining life, challenges which are covered among these facts on Mars.(9:14 min.)
In February 2013, a stunning sight in the sky over Russia made international headlines. The light of an asteroid hurtling toward Earth was brighter than the sun.
Follow Michele, Advanced Food Technology Manager at NASA, and members of her food science team in Houston, Texas, as they describe their role in conceptualizing and preparing food for successful missions in space.
Astronaut Scott Kelly has posted images of the first ever flower grown in space. (1:05 min.)
"Outregeous" is a space-faring lettuce that was delivered to the International Space Station by the SpaceX Dragon capsule on April 20, 2014.
This is a brand new tribute song & video for the 25th anniversary of the Challenger disaster.
What happened in the skies over Siberia on June 30, 1908? This video shows what the site looked like on the 100th anniversary of the mysterious explosion, which scientists think was caused by an asteroid or comet entering the Earth’s atmosphere.