When their nectar load gets extra heavy, they kick into a special gear for efficiency.
A couple is buying land — and letting it go wild
February 18, 2020, 3:40 p.m. by Christian Cotroneo
They're giving tigers space to breathe in Rajasthan, India.
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12 captivating images from the Sony World Photography Awards
February 17, 2020, 8:36 a.m. by Mary Jo DiLonardo
Riveting photos include landscapes, portraits, nature and environmental images.
Why are so few infants getting sick from coronavirus?
February 15, 2020, 10:19 p.m. by Bryan Nelson
Scientists are at a loss to explain why infants seem largely resistent to the pandemic.
What we're learning about Arrokoth, formerly known as Ultima Thule
February 14, 2020, 3:24 p.m. by Michael d'Estries
NASA has released 'astonishing' results from the first up-close flyby of a Kuiper Belt space rock.
What you need to know about that mysterious Chinese coronavirus
February 14, 2020, 3:13 p.m. by Mary Jo DiLonardo
How worried should you be?