Copy into your RSS Reader
Copy into your Podcast App
Dark, narrow streaks on Martian slopes such as these at Hale Crater are inferred to be formed by seasonal flow of water on contemporary Mars.
September 30, 2015 There is much excitement around finding liquid water on Mars. And, though high salinity is not good for life, we will only know if it exists there if we look, says astrophysicist Marcelo Gleiser.
July 1, 2014 Astrophysicist Adam Frank shares his summer reading list. As one would expect, it's heavy on science fiction and soul searching.
NPR thanks our sponsors
Become an NPR sponsor