Invisible companion leaves evidence trail around supergiant star Betelgeuse

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

Fossil analysis changes what paleontologists know about how long T. rex took to grow full size

Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study.

These ancient designs may be the first evidence of humans doing math

Images of plants painted on pottery made up to 8,000 years ago may be the earliest example of humans’ mathematical thought, a study has found.

What cardiologists want you to know about MAHA’s push to eat more fat

Saturated fat is back, according to the new dietary guidelines that reflect the Make America Healthy Again agenda. Doctors who treat heart disease say we’ll get sicker.

Video shows cow using a brush to scratch its back in first described case of tool use in cattle

A new study is the first to describe tool use in a cow. It could be evidence that livestock has higher cognitive capabilities than once thought, researchers say.

Genetic clues may be hiding in Leonardo da Vinci’s artwork

Scientists have turned to artifacts associated with Leonardo da Vinci on a quest to track down the legendary polymath’s elusive DNA.

Prehistoric wolf’s gut frozen in time reveals an ice age giant

Little is known about why the woolly rhinoceros went extinct around 14,000 years ago. Scientists have found clues in an unusual source: the frozen remains of an ice age wolf.
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Astronomers’ discovery of distant Milky Way-like galaxy challenges our theories of how cosmos evolved

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Researchers have ...
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Scientists solve centuries-old mystery of how a cucumber explosively squirts its seeds

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An odd little gourd ...
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NASA acting head asks staff to take ‘inspiration’ from DOGE efforts as lawmakers cite Musk’s conflict of interest

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In a Friday ...

Horses really can smell our fear, new study finds

Horses can detect fear in humans by smell, becoming more likely to startle and more wary of people who are scared, a new study has found.
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‘No legitimate rationale’: Lawmakers raise concerns over what NASA won’t say about DOGE

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Some House ...