astrophysics

Bob Berman and Dr. Valerie Rapson join us to discuss recent astronomy news and answer your questions. Ray Graf hosts.

Dr. Valerie Rapson joins us to discuss recent astronomy news and answer your questions. 800-348-2551. Ray Graf hosts.

Dr. Valerie Rapson joins us to discuss recent astronomy news and answer your questions. Ray Graf hosts.

Science is on tap today. Have a swig! Our team of experts to answer your questions. Ray Graf hosts.

Bob Berman and Dr. Valerie Rapson join us to discuss recent astronomy news and answer your questions. Ray Graf hosts.

The total solar eclipse has come and gone! Bob Berman and Dr. Valerie Rapson join us to share their thoughts on the event and take your calls. Ray Graf hosts.

We talk astronomy with Bob Berman and Dr. Valerie Rapson. Call at show time with your questions. 800-348-2551. Ray Graf hosts.

Astronomers Valerie Rapson and Bob Berman join host Ray Graf to take your calls.

Astronomers Valerie Rapson and Bob Berman join host Ray Graf to take your calls.

How did life begin? Are we alone in the universe? How will it all end? In his new book, "Cosmic Queries: StarTalk’s Guide to Who We Are, How We Got Here,…