A mysterious disease has been turning sea stars into goo since 2013. Now, there’s a leading suspect behind the killings — a bacterium called Vibrio pectenicida, researchers report August 4 in Nature ...

The recommended age for starting colorectal cancer screening is now 45. That shift may explain a rise in early cases.

The superclouds probably produce star-forming clouds of gas, since most nearby stellar nurseries are located within the giants.

A quantum computer has reached new heights. The first quantum computer in space is now orbiting Earth on a satellite, scientists report. Launched on June 23, the computer had to be designed to fit in ...

The starchy vegetable emerged 9 million years ago in the forming Andes mountains — a result of natural interbreeding between an ancient tomato plant and potato-like species that lacked the engorged ...

Routine tests in the third trimester may catch missed cases and flag the need for treatment that reduces a baby‘s risk of getting HIV to near zero.

These star-shredding black holes sit within dusty galaxies that block many telescopes’ views. That’s not an issue for JWST.

A trove of fossils, including a penis worm with a spiked, invertible throat, suggests this spot may have been a cradle of Cambrian evolution.

“It feels lovely for [the] first 15 minutes, especially in winter,” Rykaczewski says. “After about two hours, it becomes [a] bit, well, sweaty.” ...

An infinity symbol–shaped galaxy hosts an active supermassive black hole. The growing giant may have come from the aftermath of a galactic smashup.

Geologists unpack why the magnitude 8.8 temblor — the sixth largest ever recorded — fomented waves that reached Japan and Hawaii but caused little damage.

Dropping vaccination rates and changes in U.S. vaccine policy have public health experts concerned that annual measles outbreaks could become more frequent.