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Prader-Willi syndrome is a rare genetic disease that causes poor feeding in infancy but later triggers insatiable hunger.

Scientists looked at Jupiter's massive auroras using the James Webb and Hubble Space Telescopes — and found a mystery they can't fully explain.

Astrophysicists have proposed a new theoretical maximum lifespan for the universe, which suggests that dead stars are decaying much faster than previously thought. The estimate of stellar remnant decay is based on Stephen Hawking's famous black hole radiation theory.

Researchers shed light on the "dark matter" of the gut, revealing a species of fungus that could potentially help counter fatty liver disease. The research is in its early days, though.

A massive stone carving featuring an Assyrian ruler and several deities has been found in Iraq.

The genomes of long-living, big-brained mammal species reveal that they carry more copies of immunity genes. Experts speculate that these genes may affect longevity.

NASA's Perseverance rover recently captured a photo of green auroras shining in the Martian sky for the first time. The alien light show, previously assumed to be impossible, could be visible to future astronauts.

New fossilized tracks made by an ancient reptile indicate that these animals evolved tens of millions of years sooner than scientists first thought.

"Mono," caused by Epstein-Barr virus, raises the risk of multiple sclerosis, but it's unclear why. A study pinpoints a genetic variant that might help explain.

The wrinkled, raisin-like patterns you get on your fingers after a long bath form the same patterns every time, new research suggests.

Archaeologists working in the Tangier Peninsula, in northwest Morocco, have discovered ancient cemeteries, rock art and standing stones.