This image made by the NASA/ESA Hubble Space Telescope shows part of a group of five galaxies known as Stephan's Quintet. NASA, ESA, Hubble SM4 ERO Team /AP hide caption

toggle caption
NASA, ESA, Hubble SM4 ERO Team /AP

'Are We Alone?' Churchill Concludes It's Likely Life Circles Other Suns

  • Download
  • <iframe src="https://www.npr.org/player/embed/515863313/515921457" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Week In Politics: Trump's Press Conference, Michael Flynn

  • Download
  • <iframe src="https://www.npr.org/player/embed/515841062/515841063" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Vintage American history photo of a nuclear weapon test by the American military at Bikini Atoll, Micronesia on July 25, 1946. The explosion was part of Operation Crossroads. John Parrot/Stocktrek Images/Getty Images hide caption

toggle caption
John Parrot/Stocktrek Images/Getty Images

Cleveland Cavaliers forward LeBron James is one of many NBA figures who's recent comments have veered into current politics. Nick Wass/AP hide caption

toggle caption
Nick Wass/AP

With Politics, NBA Speaks Its Mind

  • Download
  • <iframe src="https://www.npr.org/player/embed/515202724/515336677" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
andrej_k/Getty Images/iStockphoto

Lonely On Valentine's Day? Celebrate Love That Reaches Beyond Romance

  • Download
  • <iframe src="https://www.npr.org/player/embed/514978859/515019645" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Syria President Bashar al-Assad in Paris in 2010. Remy De La Mauvinier /AP hide caption

toggle caption
Remy De La Mauvinier /AP

Amnesty International Identifies Assad's 'Policy Of Extermination'

  • Download
  • <iframe src="https://www.npr.org/player/embed/514594316/514650960" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Week In Politics: Appeals Court Upholds Stay On Travel Ban

  • Download
  • <iframe src="https://www.npr.org/player/embed/514566868/514566869" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

President Barack Obama speaks during the dedication ceremony for the Smithsonian Museum of African American History and Culture in Washington, DC, on Sept. 24, 2016. Pablo Martinez Monsivais/AP hide caption

toggle caption
Pablo Martinez Monsivais/AP

From left, Octavia Spencer, Janelle Monae and Taraji P. Henson accept the award for outstanding performance by a cast in a motion picture for Hidden Figures at the 23rd annual Screen Actors Guild Awards on Jan. 29 in Los Angeles. Chris Pizzello/Invision/AP hide caption

toggle caption
Chris Pizzello/Invision/AP

Thousands gather at Denver's City Center Park on Saturday for a rally in support of the Muslim community and to protest President Trump's executive order to temporarily ban some refugees from seven mostly Muslim countries. Brennan Linsley/AP hide caption

toggle caption
Brennan Linsley/AP