NASA’s Perseverance rover is about to land on Mars and look for life

NASA Wants to Set a New Radiation Limit for Astronauts. As the agency considers sending people to the moon and Mars, it’s taking a fresh look at the research on cancer risk and recalculating acceptable thresholds.

Infectious disease causes long-term changes to frog's microbiome

Why It's So Hard to Make Antiviral Drugs for COVID and Other Diseases