Research

Russia’s Covid-19 vaccine was highly effective in one trial, research finds, boosting Moscow’s ambitions to roll out

Senate to investigate the use and status of closed schools

They search for a missing young tourist in the Guajataca forest

Novavax stock up more than 20% after COVID-19 vaccine trial shows nearly 90% efficacy in UK, but less against new South African variant

In a world first, physicists are limiting the possible mass of dark matter

Research of more than 2,000 people links afternoon naps with improved mental agility

This is what tyrannosaurs would have looked like when they came out

A physicist has worked out the mathematics that makes ‘paradox-free’ time travel plausible

COVID-19 blocking nasal spray may be available in the summer

Merck Scraps Candidates for the Covid-19 Vaccine