Sahas Mehra

Scientists speculate that the wild cats are trying to improve hydration or ease their cubs’ transition to solid food. The finding points to resilience in one of the world’s most endangered felines

Sahas Mehra is a science and ecommerce journalist who has previously written for Science, Scientific American, New Scientist and Mental Floss. You can reach out to him on his Bluesky account.

A new method that detects whether bones have been burned reveals Homo erectus brought fires into caves far earlier than previous evidence had suggested

At roughly a meter long, Praearcturus gigas (illustrated) may have been the largest scorpion to ever exist.

Observational studies suggested the vaccine could do double duty but a randomized trial shows no benefit

Shigella causes about 450,000 U.S. infections each year. An experimental oral vaccine protected adults in a small human trial.

A new experimental vaccine for tetanus and diphtheria survived at up to 30° Celsius for a year