Add Yahoo as a preferred source to see more of our stories on Google. Scientists now recognize more than a dozen species in the Homo genus. So what, exactly, was the first human species? The answer, ...
Sloths weren't always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge - up to 4 tons - and when startled, they brandished immense claws. For a long time, scientists believed ...
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Humankind's earliest ancestor? Scientists say a 7 million-year-old species was first to walk upright
It’s considered to be one of the most decisive steps in human evolution. Now, scientists believe they have pinpointed when our ancestors made the transition from walking on all fours to standing on ...
A Canadian teenager has been hospitalized with bird flu, the first human case of H5N1 in the current outbreak detected in the country. A teenager in British Columbia has been hospitalized with a ...
Four adventurers suited up and embarked on a first-of-a-kind trip to space Monday night, becoming the first humans to fly in polar orbit aboard a SpaceX crew capsule chartered by a Chinese-born ...
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