Older than Dirt

Stardust discovered in a meteorite that landed in Australia more than 50 years ago is up to three billion years older than our solar syst ...

Air Date: February 22, 2020

Listen 08:34

Coming Attractions

Astronomers observing white dwarf stars see spectrographic signatures of previously orbiting gas giant planets. Our gas giants (Jupiter a ...

Air Date: February 8, 2020

Listen 07:53