Beautiful Death Valley National Park was the setting for a fascinating conversation with famed SETI researcher Jill Tarter and celebrated astronomer, artist and photographer Tyler Nordgren. Curiosity has drilled another hole in Mars. Emily Lakdawalla tells us why and where. Someone will win three of Tyler Nordgren’s great posters on this week’s What’s Up segment with Bruce Betts and Mat Kaplan. Related links are here: http://www.planetary.org/multimedia/planetary-radio/show/2016/0425-nordgren-tarter-death-valley.html