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Learn why socializing, especially around the holidays, can leave you feeling a bit down.

Learn more about the common cold, the viruses that cause it, and why it’s so difficult to find a vaccine for it.

Learn more about the Vikings, their lifestyle, and where the stereotypical horned helmet originated from.

Learn why Yellowstone mysteriously does not produce sulfur dioxide, and what it means for volcanic unrest.

Learn how mapping gene-control switches in an ancient sea anemone reveals how identical DNA can produce many different cell ...

What's the size of the Milky Way galaxy? Learn how, depending on your definition, the size can change.

Learn more about Saturn's largest moon, Titan, and the mysteries that lurk beneath its icy surface.

Learn how brain recordings reveal a distinct state in which conscious awareness briefly drops out — even while people remain ...

Learn more about the most exciting species found around the world in 2025, from the deep sea to the western Himalayas.

Learn about the new flu variant, subclade K, that is circulating several countries and why this winter 2025-2026 flu season ...

Learn more about the hidden molecules uncovered in animal fossils from an ancient human site, and the new view they give us ...