6:41
A Space Rock Makes An Interstellar Visit
Astronomers detect the first object to travel from a far-off star system into our own based on its orbit and speed.
17:19
A Stellar Collision, Ripples In Space-Time, And The Origins Of Gold
Astronomers have detected signals produced by two neutron stars that collided millions of years ago.
12:00
To The Moon, And…Beyond?
A recent meeting of the National Space Council signaled a shift of the U.S.’s goals in space.
7:32
A Giant Rat, An Octopus City, And Space Life Beyond The ISS
This week, NASA and Roscosmos announced that they would cooperate to build a new space station, closer to the moon.
Up On The Roof, A Handful Of Urban Stardust
A jazz musician-turned-micrometeorite hunter gives advice on how to search for the tiny bits of cosmic dust that could be covering your rooftop.
34:56
A Farewell To Cassini, Our Friend At Saturn
In 13 years, the orbiter showed us lakes on Titan, geysers on Enceladus, and a new understanding of all things Saturn.
Meet The People Of Cassini
From a singing group to specially brewed beer, the Cassini family recounts what it was like working on the nearly 20-year mission.
Postcards From Cassini
After nearly 20 years in space, Cassini’s time is almost up. Here’s a look at what the spacecraft has shown us.
Cassini: A History In Interviews
For 20 years, Cassini’s scientists have shared their discoveries with Science Friday listeners. Here are some of the most memorable moments.
17:05
Jill Tarter Is Still Searching For A Sign Of Life
Astronomer and SETI co-founder Jill Tarter reflects on her career as an alien hunter.