Revealed by advanced imaging, the long-sought "Betelbuddy" is much smaller and fainter than Betelgeuse and orbits within the supergiant’s atmosphere.

The fungus Entomophthora muscae turns flies into zombies and kills them at sunset. An internal kill clock may explain the mysterious timing.

People living in high pollution areas may rack up DNA glitches that trigger lung cancer, scientists suggest July 2 in Nature. Those glitches can include mutations that hobble the very genes that ...

Experts worry the warning on vaginal estrogen menopause treatments is doing more harm than good and is not supported by science.

Earth has experienced both hot and cold periods over time, though warm times have been more common. That’s true of the last 485 million years, as seen in this timeline reported in 2024. Our genus, ...

You and a friend have arranged to meet at a popular downtown mall between 3 p.m. and 4 p.m. one afternoon. However, you neglected to specify a time within that one-hour window. Therefore, each of you ...

In Rehab, journalist Shoshana Walter investigates the systemic pitfalls of drug treatment programs, which prevent people’s recovery from addiction.

AI models such as ChatGPT consume serious power. Experts break down where that energy goes, and what you can do to help.

Some people’s biology may set them up to birth babies of a certain sex, explaining why a family with multiple children may have all girls or all boys.

A century ago, physicists laid the foundation of quantum mechanics. Today, with greater control of quantum systems, scientists are making major leaps in ...

Defense lawyers have called shaken baby syndrome, or abusive head trauma, junk science. But doctors say shaking a baby is dangerous.

A young sunlike star called HOPS 315 seems to host a swirling disk of gas giving rise to minerals that kick-start the planet formation process.