In a mass extinction event some 40,000 years ago, Australia lost 90% of its large species. New research suggests climate change played a much smaller role than once thought, though not all agree.

NPR's Juana Summers talks with Victoria Knapp, chair of Altadena Town Council, about the destruction in her town from the Eaton fire.

NPR's Mary Louise Kelly speaks to outgoing CIA Director Bill Burns about the handling of Russia, the Mideast, and security threats during his tenure, plus what lies ahead for the intel community.

Former president Jimmy Carter will be laid to rest in his hometown of Plains, Ga. He died Dec. 29 at the age of 100, and was honored with a National Funeral Service in Washington, D.C.

Red flag warnings are in effect for parts of Los Angeles and Ventura counties, as the National Weather Service warns that ...