Asteroid that broke up over Berlin was fastest-spinning one ever seen
Long-exposure photo showing the trail of asteroid 2024 BX1 shortly before impact. The changes in brightness are caused by the asteroid’s spinL. Buzzi, Schiaparelli Astronomical Observatory, Italy (MPC 204) An…
Alpacas are the only mammals known to directly inseminate the uterus
The alpaca (Vicugna pacos) uses a reproductive technique never confirmed in any other mammalZoonar GmbH / Alamy Alpacas are the only mammals known to science in which males deposit sperm…
Ten Amazing Facts About Tornadoes, Explained | Science
Catherine Duncan Staff Contributor As looming thunderstorm clouds spit out baseball-sized hail and torrential rain, a narrow whirlwind of air stretches its way toward the ground, signaling the arrival of…
20% of grocery store milk has traces of bird flu, suggesting wider outbreak
The Food and Drug Administration reported late Thursday that about 20 percent of retail milk samples from around the country tested positive for genetic fragments of the bird flu, aka…
How Whales Could Help Us Speak to Aliens
Explore On Aug. 19, 2021, a humpback whale named Twain whupped back. Specifically, Twain made a series of humpback whale calls known as “whups” in response to playback recordings of…
Makers of the world’s largest 3D printer just beat their own record
After a five-year reign, the world’s largest 3D printer located at the University of Maine has been usurped—by a newer, larger 3D printer developed at the same school. At a…
Analysis and benchmarking of small and large genomic variants across tandem repeats
Levinson, G. & Gutman, G. A. Slipped-strand mispairing: a major mechanism for DNA sequence evolution. Mol. Biol. Evol. 4, 203–221 (1987).CAS PubMed Google Scholar Fan, H. & Chu, J.-Y. A…
JWST Is Tracking Down the Cosmic Origins of Earth’s Water
Astronomers have long wondered how Earth became water-rich—bountiful with abyssal oceans, frigid glaciers and rain that pours from the sky into lakes, rivers and wetlands. Water, which is composed of…
Blood test powered by AI could catch osteoarthritis 8 years earlier than X-ray, early data show
A simple blood test may be able to detect knee osteoarthritis in people who've yet to develop any symptoms — and up to eight years before an X-ray would be…
NASA-Led Study Provides New Global Accounting of Earth’s Rivers
The novel approach to estimating river water storage and discharge also identifies regions marked by ‘fingerprints’ of intense water use. A study led by NASA researchers provides new estimates of…