A new U.S. stamp is the first stamp depicting a solar eclipse that is printed in thermochromic ink, which changes color when you touch it.
Environmental DNA testing is transforming the field of biology, by making it much easier to detect different species in rivers and streams.
Two litters of cheetah cubs were born during a single week at the Smithsonian Institution’s research facility.
The Bakewell Ottoman Garden, part of the Missouri Botanical Garden in St. Louis, recreates the great gardening traditions of the Ottoman Empire.
One of the world's greatest collections of stamps from Imperial Russia is in the Smithsonian Institution's National Postal Museum in Washington.
The legendary cedars of Lebanon, long threatened by deforestation, are making a comeback, thanks to a partnership with the U.S. Forest Service.
One in four fish is caught illegally in the waters off East Africa. A global campaign using satellites aims to stop pirate fishing.
Scientists are trying to learn more about Azolla, a plant that might help reduce man-made climate change — but there are some challenges.
Two research organizations in South Africa are joining forces to form a new institute to combat the HIV and tuberculosis co-infection epidemic.
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