12:00
Space Trivia, and a Cosmic Trip Planner
Astronomer Dean Regas shares some of his favorite stellar facts, and offers tips for the big skywatching event of 2017: the solar eclipse.
29:02
A True Story of High Drama in Space
In this 1995 segment from the Science Friday archives, Apollo 13 mission commander Jim Lovell tells the story of the flight’s survival after an explosion in space.
17:14
The Amazing Expanding, Accelerating Universe
In this 1999 conversation from the Science Friday archives, astrophysicists Neta Bahcall and Wendy Freedman explain the then-revelation that the universe’s expansion is accelerating, not decelerating.
Breakthrough: Snapshots from Afar
In the second episode of Science Friday and HHMI’s series “Breakthrough: Portraits of Women in Science,” three scientists share stories about India’s first interplanetary mission—a mission to Mars.
The Stars Behind Our Stellar Classification System
Author Dava Sobel explains how a group of women astronomers helped develop the classification system that scientists use to identify stars today.
16:43
The Female Astronomers Who Captured the Stars
At the beginning of the 20th century, a team of female astronomers at the Harvard College Observatory worked to classify the stars.
17:22
Views From Aloft: The Art of Space Photography
Astronaut Don Pettit has taken hundreds of thousands of photos from the International Space Station.
Space, Seen Through A Window
Astronaut Don Pettit has taken thousands of mesmerizing images during his three missions to the International Space Station.
7:19
Cassini’s Final Year, And Juno’s First
One mission is winding down. Another has just begun. A look at what’s next for each.
6:23
Pluto Rolls Over (the Dwarf Planet, Not the Dog)
In this week’s news roundup, science editor Sophie Bushwick talks about how a massive ice-filled basin may have caused the dwarf planet to tip, and other science stories in the news.