Much of the internet runs on systems written in the C programming language, but C has major security vulnerabilities. Now, computer science researchers have created a tool that safeguards these systems while developers migrate them into safer languages, a process that will take many years.

Radar systems used by civilian airports and military operations are inadvertently revealing our existence to potential advanced alien civilisations, new research shows. The study explored how hidden electromagnetic leakage might look to extraterrestrials up to 200 light-years from Earth, if they had state-of-the-art radio telescopes like our own. Theoretically, it also suggests this is how far we would be able to look to spot aliens who have evolved to use a similar level of technology. Preliminary results revealed at the Royal Astronomical Society’s National Astronomy Meeting 2025 in Durham show how worldwide aviation hubs such as Heathrow, Gatwick and New York’s JFK International Airport give off clues to our existence.

Researchers from RMIT University and CSIRO, Australia’s national science agency, have unveiled a method to significantly extend the lifetime of quantum batteries – 1,000 times longer than previous demonstrations.