A new model developed by Princeton and Carnegie Mellon researchers improves tracking of epidemics by accounting for mutations in diseases.

To eat or not to eat fish is a question that has long concerned pregnant women.

Municipal solid waste is trash — such as plastic, food scraps and lawn clippings — that goes into garbage bins and doesn’t get recycled. 

Recent data have shown a decline of air pollution over northern Italy coinciding with its nationwide lockdown to prevent the spread of the coronavirus (COVID-19).

Researchers at MIT and the University of Colorado at Denver have proposed a stopgap measure that they believe could help Covid-19 patients who are in acute respiratory distress.

Changes in a specific type of sugarlike molecule, or glycan, on the surface of cancer cells help them to spread into other tissues, according to researchers at the University of California, Davis. 

Despite increasing awareness of how critical sleep is to our health, getting a good night’s rest remains increasingly difficult in a world that’s always “on” — responding to emails at all hours, news cycles that change with every tweet and staring endlessly into the blue light of cell phone, tablet and computers screens.

In a new study, higher daily step counts were associated with lower mortality risk from all causes. 

Scientists are preparing a massive computer model of the coronavirus that they expect will give insight into how it infects in the body. 

Medical researchers have estimated some of the impacts of this summer’s bushfire smoke and air pollution on Australians’ health.