All Stories
- Anthropology
People roamed tip of South America 18,500 years ago
Stone tools, charred animal bones and fire ash found at the Monte Verde site in Chile indicate people reached South America’s southernmost territory at least 18,500 years ago.
- Archaeology
Search for fossils from the comfort of home
The citizen science website FossilFinder.org lets anyone with an Internet connection look for fossils and characterize rocks at Kenya’s Lake Turkana Basin
- Earth
Pioneering geologist sought to demystify volcanic eruptions
In The Last Volcano, a geologist profiles Thomas Jaggar, one of the 20th century’s most influential volcanologists.
- Animals
Snakes evolved from burrowing ancestor, new data suggest
A new X-ray analysis of inner ears is the latest to weigh in on whether modern snakes descended from a burrowing or a swimming reptile.
- Animals
Mystery deepens for what made tarantulas blue
Blue hair on tarantulas shows what evolution does with iridescence that females probably don’t care about.
- Planetary Science
A defenseless Mars is losing its atmosphere
Measurements of Mars’ atmosphere leaking into space could help scientists explain how the Red Planet lost its once life-friendly climate.
- Archaeology
Mystery still surrounds Neandertals
Neandertals’ relationship to modern humans is still a matter of debate.
- Astronomy
More mysterious extragalactic signals detected
Five more fast radio bursts from other galaxies have shown up and one of them is a double.
- Animals
For a python, every meal is like Thanksgiving
Burmese pythons rarely eat, but when they do, they gorge. Unlike humans, pythons have adaptations that allow them to survive on huge meals.
- Genetics
Water bears are genetic mash-ups
Drying out may help tardigrades soak up new DNA, which in turn aids the water bears in withstanding stress.
- Life
DNA doubled in conifer ancestors
The genomes of conifers — pine, cypress and yew trees — doubled twice in the distant past.
- Neuroscience
Taste is all in your head
By targeting certain nerve cells in a mouse’s brain, scientists made plain water turn bitter or sweet.
