Adam Riess

Jul. 27, 2012

Ask an Astrophysicist

Nobel Prize-winning astrophysicist Adam Riess takes your questions on dark energy and the cosmos.

astrophysics, astrophysicist, nobel prize winner, dark energy, cosmology, cosmologist, universe, expansion, space

Mar. 16, 2012

Adam Riess: One Cosmic Puzzle Solved, Many To Go

Nobel Prize-winning astrophysicist Adam Riess discusses the mysterious force known as dark energy.

riess, dark energy, nobel prize, cosmology, supernovae

Oct. 07, 2011

Physics Nobelists Observed An Accelerating Universe

The 2011 Nobel Prize in Physics has gone to three American astronomers.

nobel prize, astronomy, physics, cosmology, supernova, dark energy

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Snowflake Safari

\tWinter weather means more than sledding and snowmen. Next snowstorm, grab a magnifying glass and try snowflake hunting. Bullet rosettes, stellar plates, and capped columns are just a few of the varieties of snow crystal you can find in your backyard. Kenneth Libbrecht, physicist at Caltech and snowflake expert, shares secrets of the snowflake.

\tVideo originally published on ScienceFriday.com on December 31, 2009

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