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.
Discovering Planet Vulcan
The story of how a country doctor thought he found a new planet in the solar system.
16:49
Confessions of a Meteorite Hunter
Meteorite hunter Nina Lanza reports back from six weeks scouring the Antarctic ice for space rocks.
17:13
Somewhere Out There, Planet Nine
Researchers calculate that there may be a large undiscovered ninth planet lurking in the distant reaches of our solar system.
17:14
Deep Space Design: The Search for Future Space Construction Materials
In the future, space habitations could be constructed out of concrete made of Martian sulfur and inflatable materials.
The Week-After Science Friday Quiz! 1/5/16
How much do you know about the early days of the personal computer?
10:32
So You Want to Be an Astronaut?
As NASA begins “astronaut candidate” selection, Administrator Charles Bolden explains what it means to have the “right stuff.”
10:24
Pluto Comes Into Focus
Photos from the New Horizons mission reveal icy plains, craters, and mountains on Pluto.