16:53
Satellite Snapshots Help Pinpoint and Protect The Past
Undiscovered tombs and pyramids can be found right on your iPad—if you know what to look for.
This Art Installation Pokes Fun at NASA and Space Exploration
New York sculptor Tom Sachs built “A Space Program” entirely out of materials bought from Home Depot.
Faces Of The Moon
Images from the Lunar Reconnaissance Orbiter Camera reveal a moonscape wrought by geologic forces and celestial bombardment.
16:13
The Road to LIGO
Janna Levin’s book Black Hole Blues and Other Songs from Outer Space reveals what it took to pull off one of “big science’s” biggest experiments: the Laser Interferometer Gravitational-Wave Observatory (LIGO).
Catching Sonic Wisps of Cataclysmic Mayhem
Author Janna Levin on gravitational waves and how the Laser Interferometer Gravitational-Wave Observatories help us detect them.
16:44
‘A Space Program’ Documents a DIY Journey to Mars
Sculptor Tom Sachs has built his own space program—and it’s 100 percent DIY.
17:26
Inside NASA’s Planetary Defense Office
How does NASA plan to protect the planet against an asteroid or comet strike?
What Are the Basic Foundations of Modern Physics?
A preview of what to expect from “Seven Brief Lessons on Physics.”
17:20
Century-Long Search Leads to Landmark Gravitational Wave Discovery
For the first time, scientists have directly detected gravitational waves—the last unproven part of Einstein’s theory of general relativity.
17:22
For Planet-Seekers, a Cautionary Tale
The tale of the planet Vulcan’s “discovery”—and destruction at the hands of Einstein—may hold lessons for today’s planet-hunters.