All Stories
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SpaceThe Blue Ghost lander just witnessed a lunar eclipse — from the moon
The privately-owned lander turned its cameras toward Earth as our planet cast its shadow over the moon. It’s not the first spacecraft to do so.
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LifeDark coats may have helped the earliest mammals hide from hungry dinosaurs
During the age of dinosaurs, early mammals probably lacked the stripes and spots of their modern relatives, having uniformly dark, drab coats.
By Jake Buehler -
ArchaeologyThese ancient Maya-era puppets may have been used in rituals
The puppets, unearthed in El Salvador, have movable heads, strange facial expressions and may have been dressed for ritual roles.
By Tom Metcalfe -
ChemistryA new iron compound hints ‘primordial’ helium hides in Earth’s core
Earth’s core could contain helium from the early solar system. The noble gas tucks into gaps in iron crystals under high pressure and temperature.
By Skyler Ware -
Quantum PhysicsA quantum computing milestone is immediately challenged by a supercomputer
A quantum processor solved a problem in 20 minutes that would take a supercomputer millions of years. A supercomputer then did a part of it in about 2 hours.
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AnthropologyWestern Europe’s oldest face adds new wrinkles to human evolution
Face bones unearthed in a cave suggest that members of our genus, Homo, reached northern Spain as early as 1.4 million years ago.
By Bruce Bower -
NeuroscienceParenthood may help the brain stay young
A study of nearly 38,000 adults shows that the number of kids correlates with coordination of brain regions’ activities — regardless of parents’ sex.
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Health & Medicine6 things to know about antidepressants
An abundance of data show that SSRIs, a class of drugs commonly used as antidepressants, are effective, though, like any drug, they have risks.
By Meghan Rosen and Laura Sanders -
Planetary ScienceUranus emits more heat than previously thought
Uranus radiates more energy than it gets from the sun, two new studies find — just as Jupiter, Saturn and Neptune do.
By Ken Croswell -
Artificial IntelligenceAs AI advances, the meaning of artificial general intelligence remains murky
AI models are growing ever-more capable, accurate and impressive. The question of if they represent “general intelligence” is increasingly moot.
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ClimateSome trees are coping with extreme heat surprisingly well
Rising temperatures could reduce trees' ability to photosynthesize. Scientists are trying to figure out just how close we are to that point.
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Health & MedicineBrain implants don’t change a person’s sense of self. Hear why
In the fifth episode of The Deep End, volunteers describe what it’s like to live with the stigma of depression and the treatments they seek for it.