All Stories
- Genetics
Embryos appear to reverse their biological clock early in development
A new study suggests that the biological age of both mouse and human embryos resets during development.
- Anthropology
‘Dragon Man’ skull may help oust Neandertals as our closest ancient relative
A Chinese fossil has been classified as a new Homo species that lived more than 146,000 years ago, but not all scientists are convinced.
- Physics
Dark matter may slow the rotation of the Milky Way’s central bar of stars
A method akin to studying a tree’s rings revealed the history of a slowdown of the rotating bar of stars at the heart of the Milky Way galaxy.
- Anthropology
Israeli fossil finds reveal a new hominid group, Nesher Ramla Homo
Discoveries reveal a new Stone Age population that had close ties to Homo sapiens at least 120,000 years ago, complicating the human family tree.
- Animals
How a gecko named Mr. Frosty could help shed new light on skin cancer
The distinctive coloring and skin tumors of a type of gecko called Lemon Frost have been pegged to a gene implicated in human skin cancer.
- Paleontology
For some dinosaurs, the Arctic may have been a great place to raise a family
Fossils of baby dinosaur remains found in northern Alaska challenge the idea that some dinosaurs spent only summers in the Arctic.
- Health & Medicine
The benefits of COVID-19 mRNA vaccines outweigh the risk of rare heart inflammation
A CDC group says the benefits of the Pfizer and Moderna shots outweigh the risk of myocarditis and pericarditis in adolescents and young adults.
- Animals
Chinese mountain cats swap DNA with domestic cats, but aren’t their ancestors
DNA suggests little-studied Chinese mountain cats have been rendezvousing with pet cats on the Qinghai-Tibetan Plateau since the 1950s.
- Health & Medicine
How relocating musicians can reduce COVID-19 risk at concerts
Based on simulations of how air flows across a stage, the Utah Symphony rearranged where its musicians sit and boosted ventilation.
- Astronomy
Any aliens orbiting these 2,000 stars could spot Earth crossing the sun
Alien astronomers in those star systems could discover Earth the way we find exoplanets: by watching for a dip in starlight.
- Health & Medicine
How COVID-19 created a perfect storm for a deadly fungal infection in India
Amid the chaos of the COVID-19 pandemic, numbers of rare but dangerous “black fungus” infections have skyrocketed in the country.
- Space
Cosmic filaments may be the biggest spinning objects in space
Filaments of dark matter and galaxies, which can stretch millions of light-years, might help astronomers figure out the origins of cosmic spin.
