These woman expanded our understanding and appreciation of the natural world.
Will tigers one day roam Central Asia again?
January 23, 2017, 8:11 a.m. by Jaymi Heimbuch
The native Caspian tiger has gone extinct, but the genetically similar Amur tiger may be introduced to a region of Kazakhstan.
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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.
This puppy swallowed an 8-inch knife — but don't worry, she's fine!
January 20, 2017, 12:23 p.m. by Mary Jo DiLonardo
(It’s even more surprising after you see the X-ray.)
SpaceX rocket makes picture-perfect landing in Pacific Ocean
January 20, 2017, 11:46 a.m. by Angela Nelson
The private spaceflight company's first Falcon 9 rocket launch since an explosion last year goes off without a hitch.