Here's why you may start tearing up while slicing an onion.
A powerful underwater volcano eruption in Tonga on Saturday (Jan. 15) was captured as it happened in stunning satellite images.
A satellite image captured by Landsat 8 shows Mount Vesuvius "peering" through an eerily circular hole in the clouds.
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Mesopotamians were using hybrids of domesticated donkeys and wild asses to pull their war wagons 4,500 years ago, scientists have found.
A new study into genetic mutations in thale cress has found that genetic mutations are not totally random.
Humans will likely never run out of regular, mundane ideas, but whether will will run out of big ideas is a more nuanced issue.
Researchers have several ideas as to why people sometimes stick out their tongues when they're concentrating.