These beautiful big cats are one of the most elusive mammals in the world.
Earth's ozone layer may still be in trouble
October 23, 2019, 11:24 a.m. by Noel Kirkpatrick
The hole over Antarctica is slowly healing, but research suggests the ozone layer is thinning at lower latitudes.
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Parallel worlds exist and interact with our world, say physicists
October 23, 2019, 11:21 a.m. by Bryan Nelson
Theory explains many of the bizarre observations made in quantum mechanics.
Space affects women's and men's bodies in different ways
October 23, 2019, 9:53 a.m. by Lindsey Reynolds
From nearsightedness to bone mass, a trip to the International Space System has a notable effect on astronauts' bodies.
The best way to solve a problem really may be to sleep on it
October 22, 2019, 2:01 p.m. by Christian Cotroneo
The brain may enter a 'problem-solving' sleep stage.
6 ways to protect bats and birds from wind turbines
October 22, 2019, 11:17 a.m. by Russell McLendon
Wind turbines can kill birds and bats, but they don't have to. Here are a few ways to help them coexist.
A veteran in hospice care is reunited with his dog one last time
October 22, 2019, 9:46 a.m. by Mary Jo DiLonardo
'Life can be so painful and sad, and at the same time filled with grace and beauty.'