Josh Fischman

Experts say the painful infection, spread to people from mosquitoes, can get to many countries if it finds the right hosts

This explorer spacecraft is heading to a rare asteroid with a naked metal core. It could hold clues to how Earth began

Do ‘Alternative’ Measles Treatments Touted by RFK Jr. Work?

The detection of bird flu in a sheep is another sign that the H5N1 virus is adapting to hop to new hosts

People are really stressed about the U.S. presidential election. A psychiatrist offers several self-help methods to reduce feelings of despair

The Nobel Prize in Chemistry goes to biochemist David Baker, and Google DeepMind scientists Demis Hassabis and John Jumper, for predicting protein shapes and functions— and for creating entirely new ones that can improve health and the environment

The deadly virus was practically eliminated in the U.S., but now it’s infecting more people.

Myalgic Encephalomyelitis/Chronic Fatigue Syndrome, long dismissed by doctors, causes immune system dysfunction and other problems. But treatments are lacking.

A noninvasive test for genetic material could predict embryo quality in IVF.

When symptoms start, COVID tests may say you’re not infected when you really are.