MARY LOUISE KELLY, HOST: Computers that can model the dynamics of our galaxy or the physics of exploding stars, solar cells that can harness even more of the sun's energy, and a home heating and ...

NPR's Mary Louise Kelly talks with astrobiologists Catherine Neish and Kevin Hand about missions to Saturn's moon Titan and Jupiter's moon Europa, to search for conditions that could support life.

MARY LOUISE KELLY, HOST: As the song from the musical "Rent" goes, there's 525,600 minutes in a year. Some years fly by. Others seem to last forever.

MARY LOUISE KELLY, HOST: Wildfire is the word we tend to use when we talk about what Los Angeles has been dealing with the past week. But Lori Moore-Merrell, the U.S. fire administrator for the ...

MARY LOUISE KELLY, HOST: I was out to dinner this past week - big group - when someone at our table asked for two glasses of wine. Now, I am not going to judge, but I do ask questions for a living ...

NPR's Mary Louise Kelly talks with Maria Corina Machado, Venezuela's opposition leader, on what is next after the incumbent president claimed victory without providing evidence.

NPR's Mary Louise Kelly talks to author Peter Swanson about his new mystery novel, Kill Your Darlings, which explores the reasons behind a poet's act of murder against her own husband.

NPR's Mary Louise Kelly talks with Chris Lehane, chief global affairs officer of OpenAI, about Stargate, DeepSeek and the future of AI development.

NPR's Mary Louise Kelly speaks with Stephen Vladeck, a Georgetown University law professor, about how President Trump's legal strategy on travel bans has shifted from his previous administration.

NPR's Mary Louise Kelly talks with Karim Khan, the lead prosecutor for the International Criminal Court, about the pager explosions and conflict in the Middle East. Accessibility links.

NPR's Mary Louise Kelly speaks with retired Major General Paul Eaton about security measures that need to be in place at the Capitol in order to prepare for a possible contested election.

NPR's Mary Louise Kelly speaks to General Mark Milley, the former Chairman of the Joint Chiefs of Staff, and Eric Schmidt, the former CEO of Google, about how technology is transforming warfare.