12:13
Bill Nye Stops By
Bill Nye stops by to chat about teaching science, launching solar sails into space, and more.
16:38
Up Close With the Lunar Eclipse
The lunar eclipse on Tuesday, April 15, will be visible from all over North and South America.
11:54
How Will Russian-U.S. Politics Affect Our Relationship in Space?
NASA suspended a majority of its communications with Russia in response to the conflict in Crimea.
11:59
Diving Into the Underground Ocean of One of Saturn’s Moons
Enceladus, one of Saturn’s moons, may have an underground ocean the size of Lake Superior.
11:55
Dwarf Planet Found at the Edge of the Solar System
Dwarf planet 2012 VP-113 takes approximately 4,000 years to orbit the sun once.
29:57
Detecting the ‘Bang’ from the Big Bang
Researchers detected waves coming just after the Big Bang 13.8 billion years ago.
What’s the Cosmic Microwave Background?
The universe’s oldest light is one of the great pieces of evidence for the Big Bang.
5:45
Pulsar Pulverizes Incoming Asteroids
A pulsar 37,000 light-years from Earth collided with a billion-ton asteroid.
12:04
Scientists Hunt for Morning Dew on Mars
Could mysterious dark streaks on Martian slopes be evidence of liquid water flows?
17:41
Andy Weir: ‘The Martian’
Andy Weir’s novel of Mars survival mixes science fact and fiction.