Library of Congress

Gloria Steinem

Gloria Steinem was one of the most prominent faces of the feminist movement in the 1960s and 70s. Steinem used her skills as a journalist ...

Air Date: January 13, 2020

Listen 1:00
NASA's three Great Observatories -- the Hubble Space Telescope, the SpitzerSpace Telescope, and the Chandra X-ray Observatory -- joined forces to probe theexpanding remains of a supernova, called Kepler's supernova remnant.

Elementary

Supernovae are known as element factories, but astronomers are now discovering that merging neutron stars and fast-spinning supernovae ma ...

Air Date: January 11, 2020

Listen 05:55