SPECIAL ISSUE: DINOSAURS TAKE FLIGHT Terrible Lizards: A New Family Portrait nside the U.S. and Russian Space Programs - , _aunches September 17 October 1 2005 US Destinations ' Russian Destinations Rose Center for Earth and Sp Baykonur Cosmodrome *" New York City Kazakhstan ' Goddard Space Center , Mission Control Greenbelt, MD ;. Moscow, Russia Smithsonian Institution, Yuri Gagarin # | Cosmonaut National Air & Space Musetil Training Center Washington D.C. - 1, (GCTC) Moscow Kennedy Space Cente*"^* 'ptional Cosmonaut Training Cape Canaveral, FL 1 Star City Johnson Space Cent Houston, TX An around-the-world, red-carpet seminar examining humankind's ongoing efforts in planetary science and space travel i^ERiCAN Museum S Natural History ^ • Discovery Tours Central Park yVest^t 79th Street, New York, New York 1 0024-5 I 92 ::^|Ei|462.-8687 or 2 1 2-769-5toB^??^P?TI 2-769-5755 E-mail:
[email protected] www.discoverytours.org MAY 2005 VOLUME 114 NUMBER SPECIAL ISSUE: DINOSAURS TAKE FLIGHT FEATURES 40 ALL IN THE FAMILY A dadogmm shows how dinosaurs are related to one another—and where the birds fit in. 42 BIRD'S-EYE VIEW 34 THE VARIETIES OF TYRANNOSAURS Because modern dinosaurs are flying all around us, examining Knowledge about the most 48 BUTTING HEADS them closely can ofler new fearsome dinosaurs and their relatives Thefour greatest controversies insights into the lives is finally measuring up in dinosaur science of theirfossilized ancestors. to the animals' fame. J. DAVID ARCHIBALD MATTHEW T. CARRANO MARK A. NORELL AND XU XING SANKAR CHATTERJEE LUIS M. CHIAPPE AND PATRICK M. O'CONNOR ANDREW A.