Lucien Rudaux Memorial Award for Lifetime Achievement in Astronomical Art

Frank R. Paul Award for Outstanding Achievement in Science Fiction Art, Nashville, 1988

Hugo Award for Best Related Work, 2002: The Art of Chesley Bonestell

Award of Excellence in Science Writing from American Institute of Physics, 2003: Worlds Beyond series

Nominee for 1982 Hugo Award for best nonfiction for The Grand Tour

Ten Best Books of the Year, 1984 --Astronomical Society of the Pacific: Out of the Cradle

Ten Best Books of the Year, 1987 --Astronomical Society of the Pacific: Cycles of Fire

Outstanding Science Trade Book C National Science Teachers Assoc./Children's Book Council, 1987: Stars and Planets

New York Public Library Books for the Teen Age, 1992:  The History of Earth

IAF Manuscript Award. Booklist Editor = s Award, 1994: The Dream Machines

New York Public Library Books for the Teen Age, 2000: Rockets

Children's Book Committee at Bank Street College Best Children's Book of the Year, 2005:  Venus

National Science Teachers Association (NSTA) / Children's Book Council (CBC) Outstanding Science Trade Books for Students K-12, 2005: The Elements

VOYA Nonfiction Honor List, 2009: Digital Art

2001 Writer = s League of Texas Violet Crown Award for best audiofiction: Bradamant

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