Greenland fossil jaw may be oldest known docodontan
A newly discovered fossil jawbone from Greenland, Nujalikodon cassiopeiae, has been identified as the oldest definitive docodontan, providing key insights into the evolution and dispersal of early mammal relatives.
Head-on ‘Eye of Sauron’ blazar jet solves cosmic neutrino mystery
A rare, head-on view of the blazar PKS 1424+240 reveals how relativistic effects make it a top source of cosmic neutrinos and gamma rays, solving a decade-long mystery.
Gut bacteria digest food additives, new study finds
A new study reveals that human gut bacteria can digest common "indigestible" cellulose-based food additives when primed by natural dietary fiber found in fruits and vegetables.
Myanmar quake hints at an unpredictable ‘Big One’ for California
A startling earthquake in Myanmar suggests that California's next "Big One" on the San Andreas fault could be far more complex and unpredictable than past events, a new study by Caltech finds.
JWST confirms most distant black hole from early universe
Using the James Webb Space Telescope, astronomers have confirmed the most distant black hole ever found, a behemoth that challenges our understanding of how cosmic giants form so early in the universe's history.
New 3D printing method creates alloys 4 times stronger
Caltech researchers have developed a 3D printing method that creates custom, super-strong metal alloys by precisely controlling their internal microstructure.
Wolves carry pups miles to follow migrating elk herds
Challenging long-held beliefs, a new study reveals gray wolves in the Greater Yellowstone Ecosystem will migrate long distances with their young pups to hunt migrating elk.
New coating mimics PFAS with less ‘forever chemical’ risk
Engineers have developed a safer nonstick material using "nanoscale fletching," a breakthrough that drastically reduces reliance on harmful 'forever chemicals.'
Study: Potato is an ancient hybrid of tomato-like plant
A new genomic study reveals the potato's signature tuber originated from an ancient hybridization between tomato-like and potato-like species millions of years ago.
Deep-sea fish are ‘chemical engineers,’ study finds
Scientists have confirmed that deep-sea fish, which dominate global fish biomass, are major contributors to the ocean’s carbonate cycle, solving a long-standing mystery in marine science.