An ice core from cold-war days reveals Greenland’s green and balmy past
The island lived up to its name one million years ago, when the ice sheet of today was missing.
Geologists Have a New Tool for Reconstructing the Ancient Climate
A new study of seafloor sediments finds that the temperature record in the early Paleozoic corresponds to significant shifts in the diversity of life on Earth.
An ancient Maya ambassador's bones show a life of privilege and hardship
Ajpach’ Waal forged an alliance between two dynasties but died in obscurity
Where has all Mars’s water gone? The answer might be well buried
A leading theory says that the red planet lost its ancient water to space, but research suggests that Martian minerals sucked up some of it.
What sparked life on Earth? Perhaps bolts from the blue
Lightning strikes -- perhaps a quintillion of them, occurring over a billion years -- may have provided sparks of life for the early Earth.
Herbal Extract Promising as Male Contraceptive in Animal Trials
An extract of an herb used in traditional Chinese medicine works as a reversible oral contraceptive in male mice and monkeys, researchers say.
Rare birds in Australia have forgotten how to sing their own song
Without elder instructors of their own kind, young regent honeyeaters are adapting the songs of other species.
Photosynthesis could be as old as life itself
Researchers find that the earliest bacteria had the tools to perform a crucial step in photosynthesis, changing how we think life evolved on Earth.
French coronavirus variant can’t be detected by PCR tests
New strain doesn’t appear to be more transmissible or more serious than others, but it seems to be undetectable with current PCR tests
Models show Earth's heat loss is higher on one side of the planet
A team of researchers at the University of Oslo has found evidence that shows Earth's heat loss is more pronounced on one side of the planet than the other.
This golden box will soon make oxygen on Mars. That's great news for human explorers.
Car-size robot will help pave the way for future humans to travel to our neighboring world
Death enables complexity in chemical evolution
Simple systems can reproduce faster than complex ones. So, how can the complexity of life have arisen from simple chemical beginnings?
Feeding cattle seaweed reduces their greenhouse gas emissions 82 percent
Steer fed a small amount of seaweed resulted in a dramatic drop in methane emissions.
Scientists may have figured out how SARS-CoV-2 jumped from animals to humans
A WHO investigative team fixates on wildlife farms in China as a point of origin for the virus
Long COVID Symptoms Are Vanishing For Some Vaccinated Patients, And We Don't Know Why
A woman who had long COVID said her symptoms were gone 36 hours after getting her second dose of COVID-19 vaccine, according to The Washington Post.
Palaeontology: Prehistoric armoured dinosaur may have been able to dig
Skeletal remains of an ankylosaurid may indicate that members of this family of dinosaurs were able to dig
Bacteria Behind UTIs Make Their Own DNA Building Blocks From Your Urine
Some infectious bacteria have adapted so well to the human bladder, they appear to make their own DNA using chemicals in our urine.
AI designed to distinguish croissants from crullers and other pastries proves capable of identifying cancerous cells on microscope slides with 99% accuracy
The system was tested in hospitals to see if it can spot cancerous cells
5 kids hospitalized with liver failure after drinking ionized 'Real Water'
U.S. health officials are warning people not to use this brand of alkaline water.
New antibiotic clears multi-drug resistant gonorrhea in mice in single dose
Could lead to new treatments for gonorrhea and infections from other bacteria
Some Vaccinated People Are Going to Get Infected
Post-immunization cases, sometimes called “breakthroughs,” are very rare and very expected.
Pool patents to get COVID vaccines and drugs to all
We call on pharmaceutical companies to contribute to a pool of patents set up by the World Health Organization (WHO).
Ancient Native Americans were among the world’s first coppersmiths
New study concludes that what is known as the Old Copper Culture emerged, then faded, far earlier than once thought
Titan’s largest crater might be the perfect cradle for life
Surface coated in organic hydrocarbons, and icy crust thought to cover a watery ocean
Scientist Behind COVID-19 mRNA Vaccine Says Her Team's Next Target Is Cancer
'We have several different cancer vaccines based on mRNA'
White button mushrooms could slow progression of prostate cancer
Mouse study suggests mushrooms may suppress androgen receptor activity
We Finally Know How Sperm 'Remember' And Pass on Non-DNA-Coded Traits to Embryos
'Memories' of environmental effects are passed on from dads to offspring, despite not being coded for in DNA