Student biologists learn the how-to's of wildlife research by studying the life and death of lizards in Oregon's Alvord desert. For 15 years Dr. Roger Anderson has been leading students on a three-week immersion into lizard ecology and behavior. Students cope with the primitive…

This week, the Perseverance team faced a stubborn engineering challenge. After successfully collecting a core called “Green Gardens” from the “Tablelands” location, the rover struggled to seal the…