Though called the Great Lakes, these massive bodies of water are actually inland seas, and can be just as unpredictable as the ocean.
In the spring of 2024, seven different cicada species will emerge above ground. Experts say they’re easy enough to tell apart ...
Trash collected in a 2019 cleanup that removed 24,000 pounds (10,000 kilograms) of garbage from Mount Everest ...
Astronauts can leave things behind unintentionally, but there are also other objects we purposely have sent into space.
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