Learn more about brown dwarfs, the cosmic misfits that blur the line between planet and star.

Learn about theobromine, a chemical compound in dark chocolate that is linked to anti-aging.

Learn how chemical signatures in the Hjortspring boat’s caulking pointed researchers toward its Baltic origins.

Learn what happens to cells inside the nose during an RSV infection, and why infants are so vulnerable to the virus.

Learn how a particle born in the sun’s core left a measurable flash of light two kilometers beneath Earth’s surface.

Spot the stunning ‘Cold Moon,’ the third in the series of three sequential supermoons in 2025, which will appear alongside ...

Learn how high caffeine levels and overlooked stimulants in energy drinks may strain the heart and elevate stroke risk.

Learn more about mammal monogamy rates, which support the theory that the primary mating pattern in Homo sapiens is monogamy.

Learn how new discoveries about whale language also raise ethical and legal questions.

With a late-rising crescent moon and early evening activity, this year’s Geminids offer some of the best viewing conditions, ...

Learn how a major shift toward drought reshaped the Flores ecosystem and may have driven the hobbits to extinction.