Latest Stories

Gold doesn’t tarnish like similar metals do. A new paper says that the key is the intricate “herringbone” pattern of its atoms.

Experts question this study’s design and its recommendations—and point out that you probably get more exercise than you think

This year’s expected El Niño could hamper hurricanes in the Atlantic but boost them in the central and eastern Pacific

While drugs such as Wegovy target a single gut hormone, retatrutide is among a new class of GLP-1 drugs that aims at three hormone receptors

A chatbot’s result for the 80-year-old “unit distance” conjecture is the first AI proof that would likely be published in math’s top journal if humans had done it alone

This eerily simple math says our days are numbered—and nobody can agree why it’s wrong

Friday’s flight could be the most pivotal test of the Starship megarocket

The wobbly, lanky arachnids known as harvestmen or daddy longlegs may be overlooked as predators of small vertebrates such as frogs, researchers say

The science of de-extinction does not exist, but Colossal Biosciences’ “artificial egg” is an interesting technical feat

The Trump administration warned that too much screen time for children has been linked to poor sleep, bad behavior, and less physical and social activity

A deadly Ebola outbreak in parts of Africa is raising international alarm. Still, experts stress that the chance of a pandemic is low

New trove of fossils reveals that ancestral animals likely emerged in the deep sea