Australia's First 4 Billion Years: Strange Creatures
After a massive extinction, diverse marsupials came to dominate this isolated continent.
Australia's First 4 Billion Years: Life Explodes
Part 2 of 4. The move of life from ocean to land.
Mystery of a Masterpiece
Examining the work of art sleuths.
Big quakes are inevitable, but can we prevent their devastation?
The story of conjoined twins Trishna and Krishna.
D-Day's Sunken Secrets
Exploring the relics on the sea floor near Normandy, France.
9/4/14 2:00 AM
9/4/14 5:00 AM
9/4/14 7:00 PM
9/5/14 12:00 AM
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A high-flying weather observation plane skirts the earth-space boundary zone in a search for sprites, which are fleeting flashes that flicker upwards from thunderstorms for a split-second. Included: footage shot from the International Space Station.
Nova: Asteroid: Doomsday or Payday? at 9pm on WGBH 2. Examine whether asteroids could be our economic salvation — or instruments of extinction. Watch a preview.
From The World's Science podcast to Nova, we'll deliver updates from these cutting edge programs. See a sample »