Vaccination is over 90 percent effective at preventing deaths from the Delta variant of Covid-19, according to the first country-level data on mortality. The Pfizer-BioNTech…
Glaciers and ice caps in two archipelagos in the Russian Arctic are losing enough meltwater to fill nearly five million Olympic-size swimming pools each year,…
A cluster of comet fragments believed to have hit Earth nearly 13,000 years ago may have shaped the origins of human civilization, research suggests. Possibly…
A light-activated drug that can enter and kill bacterial and cancer cells without harming nearby healthy cells has been tested successfully. Scientists found that combining…
A condition that affects the blood, known as idiopathic thrombocytopenic purpura (ITP), may be associated the Oxford-AstraZeneca vaccine in rare cases, research suggests. The very…
Scientists have discovered that tracking malaria as it develops in humans is a powerful way to detect how the malaria parasite causes a range of…
Sunnier areas are associated with fewer deaths from Covid-19, an observational study suggests. Increased exposure to the sun’s rays — specifically UVA — could act…
Remarkably well-preserved fossils are helping scientists unravel a mystery about the origins of early animals that puzzled Charles Darwin. Analysis of the 547 million-year-old remains…
Scientists probing a prehistoric crocodile group’s shadowy past have discovered a timeless truth – pore over anyone’s family tree long enough, and something surprising will…
They are among the largest predators ever to walk the Earth, but experts have discovered that some baby tyrannosaurs were only the size of a…
Potential treatments for Covid-19 have been identified after the discovery of five genes associated with the most severe form of the disease. Genetic evidence is…
The long-held belief that the Milky Way, the galaxy containing Earth and the solar system, is relatively static has been ruptured by fresh cosmic insight….
The first mining experiments conducted in space could pave the way for new technologies to help humans explore and establish settlements on distant worlds, a…
A newly discovered species of toothless, two-fingered dinosaur has shed light on how a group of parrot-like animals thrived more than 68 million years ago….
Children and teenagers are less likely than adults to develop severe Covid-19 or die from the disease, according to the world’s largest study of hospital…
They are among the most recognizable dinosaurs … now paleontologists have discovered that stegosaurs left a lasting impression on a Scottish island. Around 50 newly…
Tiny, laser-activated magnets could enable cloud computing systems to process data up to 100 times faster than current technologies, a study suggests. Chemists have studied…
New research techniques are being adopted by scientists tackling the most visible impact of climate change — the so-called greening of Arctic regions. The latest…