Hundreds of Organic Carbon Detections on Mars. In Exactly the Right Place.
Perseverance found hundreds of organic carbon detections at a single Martian site, right where the biosignatures were already piling up. How much evidence is enough?
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Latest Stories
Cotton Candy Is Denser Than Some Planets
Jupiter-sized planets lighter than spun sugar. How does a planet that big end up less dense than a carnival snack?
Utah's 1979 Earthquake Broke a Geological Rule
A quake that stumped seismologists for 47 years has been confirmed as a rare continental mantle earthquake, which wasn't supposed to be possible.
A Cave Full of Strangers, and Not One of Them Is Male
20 Homo naledi fossils. One cave. Zero males. Was a small-brained human relative practicing sex-specific burial rites hundreds of thousands of years before we were?
Walking Sharks Gain a Cousin: Lazy Shark
Scientists confirmed a tenth reef-walking shark off Papua New Guinea, but surveys at a nearby island where it was once common turned up nothing.
A Star That Drains Its Partner Has Been Broadcasting the Crime Scene for 20 Years
A puzzling radio signal stumped astronomers for two decades. The culprit turned out to be a white dwarf quietly draining its companion star — and broadcasting every meal.
Water's Double Life Has New Details
In April, X-rays confirmed water behaves like two different liquids. A new study explains what's actually different between them.
A House Amendment Would Subpoena Every Federal UAP Record and Put Them Online in 30 Days
A new defense bill amendment would force every federal agency to surrender its UAP records to the National Archives, give a review board subpoena power over the CIA, and set a hard 300-day deadline. It also defines "non-human intelligence" as an operative legal term.
A Space Pioneer Sat on a UAP Sighting for 20 Years
A Navy vet who flew to space kept a UAP encounter secret for two decades. What did Brian Binnie see, and what kept him quiet for 20 years?
Neptune Had a Moon System Once. Triton Ate It.
Neptune once had an orderly family of moons. Then a rogue the size of Pluto arrived.
Ballista Spider Catapult Uses Prey's Aggression Against Itself
A spider that can't overpower a notoriously aggressive ant builds a trap the ant triggers itself. The biomechanics are stranger than the headline suggests.
We Moved the Planet. Slightly. With Irrigation.
Researchers needed 2,150 gigatons of missing groundwater to make their models match reality. What they found when they added it in was the planet itself, quietly keeping score.
Sharks Use Manta Rays as Back Scratchers
Galapagos sharks were caught on video using manta rays as scratch posts for sea lice.
Easter Island Lake Hid a Moai
A crater lake on Easter Island dried up and revealed a finished moai no one had ever seen. It's new to researchers and the island's own elders.
UAP Witnesses Are Legally Sealed. Congress Says Fix It.
Witnesses with direct knowledge of recovered non-human materials can't legally tell Congress what they know. A bipartisan group of lawmakers is trying to change that.
A Routine Dissection Found Two Extra Penises
A routine cadaver dissection at the University of Birmingham turned up something no one expected: three penises instead of one.
Mini Neptune Planets Clogged with Diesel Exhaust
A chemical engineer looked at JWST's baffling exoplanet data and recognized something instantly: the spectral signature of diesel soot.
Cnidaria Frankenstein: Sea Anemone Builds Second Body From Jellyfish Tissue
The cellular command that tells a developing embryo which way is up works across animal groups so distantly related they share almost nothing else.