This is it—the final matchup. We started with 32 potential names for our hypothetical placental ancestor. Now we’re down to two: Mancestor and Shrëwdinger. Which will it be? It’s your decision. Cast your vote now and give this creature a name!

Rising temperatures will lead to a massive “greening” of the Arctic by mid-century as a result of striking increases in plant cover, according to new research led by the American Museum of Natural History. 

The concept of nothing is as old as zero itself. How do we grapple with the idea and turn nothing into something? In this podcast, join Hayden Planetarium Director Neil deGrasse Tyson as he leads a spirited discussion with a group of physicists, philosophers and journalists on “The Existence of Nothing.”

Applications to the Museum's 2013 Science Research Mentoring Program (SRMP)—a unique opportunity for high school students to work with Museum scientists on an array of mentored research projects—are due on Wednesday, April 3. Click here for more information about the program and how to apply.

Birds living today are dinosaurs and often have brilliantly colored plumage. Did extinct dinosaurs also sport vibrant hues? Learn more from Mark A. Norell, chair of the Division of Paleontology, in a video.