Photos" Neil at 12 with Dad: courtesy of Neil de Grasse Tyson; Neil today: courtesy of Denis Finnin, AMNH; Illustrations: Jim Paillot
Almost all of the atoms in your body were once inside stars that exploded billions of years ago. Learn more mind-boggling facts from an astronomer.
Photos: A Closer Look at Mars: Planets and Sun: Daryl Collins; Robot: Jim Paillot; How Do We Know So Much about Mars: Telescopes: courtesy of David Crisp and the WFPC2 Science Team (JPL/CalTech); NSSDC, and NASA Spacecraft: NASA, Viking Project Robots: IMP Team, JPL (Sojourner (tm); Mars Rover (tm) and spacecraft design and images copyright: 1996-97, California Institute of Technology. All rights reserved. Further reproduction prohibited.) and NASA; Illustrations: Jim Paillot; The Search for Martian Life: Maria Zuber: courtesy of Maria Zuber; Star Background: courtesy of AURA One-on-One with the Sun: Venus, Earth, Mars: courtesy of NASA Sunspot: courtesy of AURA/NOAO/NSF; Crab Nebula: courtesy of Bill Shoening, AURA/NOAO/NSF; Boy: courtesy of Denis Finnin, AMNH
Is there life on Mars? Find out what a NASA scientist thinks.
Photos: Q3a: courtesy of MOC Team and NASA, Mars Global Surveyor; Q2, 3b, 3c, 5, 7: courtesy of NASA; Q4: courtesy of Robert Williams and the Hubble Deep Field Team (STScI) and NASA; Q6: courtesy of Photo Researchers; Q8: courtesy of NASA/JPL/CALTECH; Q10: courtesy of ESA/STScI, Dr. Christopher Burrows and NASA, Hubble Space Telescope
How much do you really know about our place in space? Take this quiz to find out!
Illustrations: Jim Paillot
A quick explanation of why we care about gravity.
Illustrations: Jim Steck
A fun test of what you know about the search for life on the red planet.
Photos: Girl: courtesy of Denis Finnin, AMNH; Baseball: courtesy of Denis Finnin, AMNH; Illustrations: Newton: Amanda Duffy; Foot: Jim Paillot; Juggler: Chris Van Dunsen; Mars: Daryl Collins
A thought experiment that asks you to imagine a world without gravity's influence.
Photos: Neil at 12 with Dad: courtesy of Neil de Grasse Tyson; Neil today: courtesy of Denis Finnin, AMNH; Illustrations: Jim Paillot
Tips for beginning stargazers.
Photos: © AMNH
Decorate your desktop with these starry images!
Photos: American toad, Asian multicolored ladybeetle, blood star, blue poison frog, blue-ring top snail, boojum tree, formosan subterranean termite, french angelfish, greater bird of paradise, green acouchi, hygroscopic earthstar, long-tailed salamander, jelly bellies, Mexican redknee tarantula, owl butterfly, radiated tortoise, red spotted newt, rosy periwinkle, sally lightfoot crab, ten spot skimmer dragonfly, the sickener, tusked chameleon, varroa mite, whitespotted boxfish, white's treefrog, witch's butter, yellow fever mosquito: refer to Tree of Life Organism Pages imagery credits; aye-aye: courtesy of Connie Bransilver, Duke University Primate Center buffalo trunkfish (fishes swim): courtesy of John White, California Academy of Sciences; butterfly, city, desert, forest, garbarge, hummingbird, ocean, pigeon, plants, squirrel, volunteer your time, white-tailed spider: AMNH; Carolina parakeet, horned lizard: courtesy of AMNH Department of Library Services; coral: courtesy of Discovery Channel Online; giant squid: AMNH, Hall of Biodiversity; ladybug: courtesy of Albert P. Bekker, California Academy of Sciences; passenger pigeon: AMNH; halls praying mantis: courtesy of Gladys Lucille Smith, California Academy of Sciences; Illustrations: Dzanga-Sangha: Laura Friedman; great auk: courtesy of AMNH Department of Library Services, #6266, extinct 1844. By Charles Hamilton Smith, from Charles Hamilton Smith,Original Drawings, 1795-1859. 23 vols; laughing owl: courtesy of AMNH Department of Library Services, #6253, extinct New Zealand, c. 1914. By John G. Keulemans, from G. D. Rowley, Ornithological miscellany, vol. 1. London: 1875.; O'ahu 'O'o: courtesy of AMNH Department of Library Services, #6286, By John G. Keulemans, from Lionel Walter Rothschild, The avifauna of Laysan and the neighbouring islands, London, 1893-1900; recycle: Eric Hamilton seaweed, soybeans, olive branch, cinnamon: Patricia Wynne
Make your opinion count!
Illustrations: Eric Hamilton
Did you know that biodiversity provides us with things that we need?