New study finds apes feel more optimistic after hearing laughter, indicates 'evolution of positive emotions'
A new study from Indiana University discovered that bonobos, humans’ closest living relatives, make similar vocalizations that share evolutionary origins with human laughter.
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Conservationists restore endangered frog population in Patagonia: 'Most threatened animals on the planet'
Researcher Federico Kacoliris, who mobilized the conservation movement around the species, recently received a Whitley Award, known as the "Green Oscars."
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Yosemite National Park puts mules to work in the busy season: 'If you've used the bathrooms, thank a mule'
Yosemite National Park’s “mounted patrol” has long used mules to help navigate the backcountry. This year is no different.
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New species of methane-eating creature discovered 3,000 feet below the ocean
Biology professor Shana Goffredi calls these new curious creatures “extremely adorable” — although arachnophobes may disagree.
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New butterfly species wows scientists: 'This discovery reveals a lineage shaped by 40,000 years of evolutionary solitude'
The “curiously isolated hairstreak” butterfly is only known to inhabit a small corner of Waterton Lakes National Park in Alberta, Canada.
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Minnesota shooting also took the life of lawmaker's dog. Now, donations to local service dog program are pouring in
Minnesota state lawmaker Melissa Hortman, her husband, and their family dog were fatally shot Saturday morning. A beloved nonprofit has become an outlet for grief.
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This 5-star island paradise doubles as a sea turtle rescue
The Gaya Island Resort boasts stunning villas and gorgeous ocean views, but the real jewel lies in its local conservation efforts.
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Park rangers in Senegal celebrate as beloved 'Ghost elephant' makes rare appearance
African forest elephants have become so rare in this Senegalese national park that they are simply called “ghosts.” But one beloved elephant took rangers by surprise.
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