These woman expanded our understanding and appreciation of the natural world.
A breathtaking look at our national parks in winter
January 23, 2017, 2:08 p.m. by Mary Jo DiLonardo
Whether you're an armchair traveler or planning a trip, enjoy the winter wonderland.
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1 in 5 people may be able to hear flashes of light
January 23, 2017, 11:16 a.m. by Bryan Nelson
Bizarre form of synesthesia might be more common than believed.
Critics weigh in on Al Gore's 'An Inconvenient Sequel'
January 22, 2017, 5:20 p.m. by Michael d'Estries
Debuting at Sundance, the follow-up to the 2007 documentary continues the former vice president's efforts to educate on the climate crisis.
Meet Petunia and Frito, the blind cats who love to play
January 22, 2017, 10:51 a.m. by Noel Kirkpatrick
Even though they lost their eyes, these two cats don't miss a beat.
Physicists may have just manipulated 'pure nothingness'
January 20, 2017, 5:09 p.m. by Bryan Nelson
Even nothing is something in the quantum world.