A method that provides cloned embryos with a healthy placenta has led to the first cloned rhesus monkey that has survived to adulthood and could pave the way for more research involving the primates
Permian period petroleum helped to preserve minute scraps of pebbly hide that probably belonged to a lizardlike creature
A huge cache of ancient genomes spanning tens of thousands of years reveals the roots of traits in modern Europeans
Large language model does better than human mathematicians trying to solve combinatorics problems inspired by the card game Set
Ten years after cannabis was first legalized for recreational use in adults, scientists are struggling to provide evidence-based recommendations about the risks to young people
The first global declaration on reducing emissions from food production is a start, researchers say—but it sidesteps contentious issues such as meat consumption
The company announces its latest huge chip—but will now focus on developing smaller chips with a fresh approach to “error correction”
Massive buried structures at Gunung Padang in Indonesia have been described as much older than Egypt’s great pyramids in a new study, but some doubt they’re even human constructions
A surge in respiratory disease in China appears to be caused by known pathogens, but the pattern of infections is still unusual
Heat pumps are ubiquitous in the form of air conditioners. Scientists just invented one that avoids harmful refrigerant gases
Like the Northern Hemisphere before it, the Southern Hemisphere is set to be enveloped by sweltering heat during its upcoming summer
Scientists still can’t explain what is causing unusually bright explosions in space—but a surprising observation might offer clues
The Amazon rain forest is in the middle of a record-breaking drought because of deforestation, El Niño and climate change
The search for room-temperature superconductors has suffered scandalous setbacks, but physicists are optimistic about the field’s future
A newly approved CRISPR therapy could transform the treatment of sickle cell disease and beta-thalassemia—but the technology is expensive
To deal with invasive hippos that were brought to Colombia by drug lord Pablo Escobar—and that threaten the country’s biodiversity—the nation’s government is sterilizing, exporting and euthanizing the animals
Electrical stimulation to the lower spine has improved the mobility of a man with Parkinson’s disease for the past two years, but researchers say larger clinical trials are needed to assess the device
One of the world’s most prestigious science journals has retracted a major paper from embattled superconductivity researcher Ranga Dias
A new tool based on machine learning uses features of writing style to distinguish between human and AI authors
Fine particles kicked up by the Chicxulub asteroid impact could have blocked out the sun for years, resulting in global cooling and disastrous consequences for ecosystems
An impact with a protoplanet called Theia 4.5 billion years ago seems to have left remnants deep inside Earth
Fresh investigations find that the Red Planet’s liquid-metal core is smaller than scientists thought
Scientists are using artificial intelligence to fight biodiversity loss by analysing vast amounts of data, monitoring ecosystems and spotting trends over time
A neural network can identify Wikipedia references that are unlikely to support an article’s claims—and scour the Web for better sources