The 4 female kittens were found in the Simi Hills habitat.
Swamp sparrows' songs are 1,500 years old
June 24, 2018, 1:55 p.m. by Noel Kirkpatrick
American swamp sparrows have passed on the same song for generations.
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Historic DC cemetery doubles as pollution-absorbing sponge
June 24, 2018, 10:08 a.m. by Matt Hickman
It's not every day that a stormwater retention project gets blessed by a priest.
Vegan barbecue, lower-proof drinks set the stage for summer
June 22, 2018, 2:29 p.m. by Robin Shreeves
Sparkling water is here to stay, but fermented foods will be new and different.
The way animals are treated in Liberia is changing, and children are leading the way
June 22, 2018, 1:17 p.m. by Christian Cotroneo
The country's first animal welfare group is breaking a violent cycle.
Beauty of the Milky Way captured in a crystal ball
June 22, 2018, 9:34 a.m. by Michael d'Estries
Astronomer Juan Carlos Muñoz-Mateos' test of a crystal ball as an astrophotography lens results in some celestial magic.
Fireflies! 12 things you didn't know about lightning bugs
Mystery of Maryland's bald eagle deaths solved
Asteroid with a 13-mile-high mountain is now visible to the naked eye
12 things you may not know about Otzi the Iceman
What's that sound? 7 wildlife calls you might hear in your backyard
9 eerily beautiful songs of night birds