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Hurricane Helene sent gravity waves rippling through the atmosphere far above the southeastern United States, new NASA images reveal.

Here's all we know about Black Friday 2024 so far — from when it takes place to the best science gifts to look for in the sales.

The number of known galaxies circling the Milky Way is increasing as we develop new powerful telescopes.

Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than previously thought — and may be a big reason that our planet harbors life.

Rising H5N1 bird flu cases in the U.S. prompted the CDC to study the virus in ferrets, revealing it may have the potential to spread and cause severe symptoms in other mammals.

The cryovolcanic "centaur" comet 29P/Schwassmann-Wachmann has erupted four times in less than 48 hours, becoming unusually bright in the process. It is the most powerful outburst from the city-size oddball in more than three years.

Complicated births may not have arisen in humans as a trade-off between our need for big brains and pelvises suitable for upright walking, new research in chimps suggests.

A fragment of cloth found in a royal tomb in Greece decades ago might be the remains of a tunic once worn by Alexander the Great, a new study claims.

Charles Darwin is famous for proposing the theory of evolution by natural selection, but how much more do you know about the British naturalist?

Incredibly well preserved dinosaurs at China fossil site were thought to have been buried in huge volcanic eruptions, similar to the Mount Vesuvius that covered the city of Pompeii 2,000 years ago. But new research says this isn't how things happened.

Pando is a giant aspen clone in central Utah that has been regrowing parts of itself for up to 80,000 years — but new threats mean the plant is now in decline.