Why We Should Think Big
An MIT physics professor discusses how mathematics is integrated into every part of our universe.
Star-Crossed Galaxies
Collisions between two spiral galaxies can be spectacular affairs, filled with romance.
30:00
Carl Sagan: ‘Science Is a Way of Thinking’
In this 1996 interview, Carl Sagan talks about pseudoscience, UFOs, and the origins of the universe.
Where Do the Geminids Come From? (Hint: It’s Not a Comet)
Evidence suggests that these fireballs don’t come from a comet, but an asteroid with a tail.
12:03
China Shoots ‘Jade Rabbit’ Rover to the Moon
BBC science editor David Shukman talks about the motivations behind China’s moonshot.
The ‘Bunny Girl’ on the Moon
In 1969, the Apollo 11 astronauts heard about a mythical goddess who lives on the moon with her rabbit companion.
12:09
ISON: The Comet of the Century . . . or Is It?
As Comet ISON skirts the sun, it could be destroyed—or emerge, even more spectacular than before.
16:31
Budget Cuts Leave Curiosity and Cassini in Limbo
Under NASA’s proposed 2013 budget, planetary science would receive $1.217 billion.
Now You Can Peruse Carl Sagan’s Stuff
A collection featuring Carl Sagan paraphernalia is open to the public at the Library of Congress.
23:40
Searching for Earth 2.0
New data suggest one in every five stars like the sun may have an Earth-like planet circling it.