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Guy Tudor, Whose Art Brought Obscure Birds to Life, Dies at 91

GUY TREBAY

A self-taught ornithologist, he won a MacArthur fellowship for his precise, resplendent illustrations that appeared in definitive field guides to tropical songbirds.

Has NASA already found life on Mars?

In searches for past and present Martian life, some scientists say we've been too cautious to see what's right in front of us

What to Know About Peptides the FDA Is Considering for Use

DANA G. SMITH

The agency is considering whether compounding pharmacies should be allowed to produce BPC-157, TB-500 and other previously banned peptides.

What caused the magnitude 6.8 earthquake in Japan?

The quake, which has caused damage to several roads and buildings, occurred along a strike-slip fault

Scientists get best-yet glimpse of Betelgeuse’s companion star

After decades of hints and speculation, scientists have at last unveiled the hidden companion to the iconic star Betelgeuse

In This Costa Rican Forest, Monkeys Come Face-to-Face With A.I.

EMILY ANTHES

CapuchinAI, a portable testing station equipped with a touch screen and facial recognition software, could help scientists study primate intelligence in the wild.

How to Predict the Weather in Our Era of Freakish Storms

HEIDI JULAVITS

The computer models meteorologists use aren’t 100 percent accurate. But natural weather forecasters seem to have a sixth sense for sudden squalls.

An Anthropic Claude AI Model Finds Flaws in Tough-to-Crack Encryption Algorithms

DUSTIN VOLZ

Claude Mythos Preview discovered new attacks in testing against weakened cryptographic algorithms, which protect online financial transactions, private communications and more.

How mental exhaustion changes the choices you make

Neuroscientists show how the brain weighs effort against reward when we're mentally fatigued

Why Einstein's theories of relativity make time travel possible

Physicists, mathematicians and philosophers have been exploring the possibility of going forward to the future or back to the past

‘OnlyMarms’: Marmots Are on OnlyFans to Raise Money for Research

EMMETT LINDNER

A team of scientists uploaded videos of the squirrel-like rodents in the wild on the adult-content site OnlyFans to raise money amid government budget cuts.

Gunther von Hagens, Creator of Polarizing ‘Body Worlds’ Exhibits, Dies at 81

CLAY RISEN

A German scientist, he developed a process for turning corpses into posable figures. His shows drew millions of visitors, and many detractors.