Carolyn Y. Johnson, The Washington Post

Scientists have taken the most detailed picture yet of the dynamic brain changes that unfold during a pregnancy and early infancy.

A total eclipse isn’t just a spectacle in the sky. Birds, insects and even plants will take notice, and might start acting strange.

Scientists at Dana-Farber Cancer Institute are planning to retract six studies and correct 31 as part of an ongoing investigation into dozens of papers.

For some people, covid will always be high risk. Others wonder when - or if - we can stop treating the coronavirus differently from other common viruses.

The record-breaking achievement offers unprecedented clues to what’s happening deep inside the planet.

To unravel how malaria-carrying mosquitoes sniff out their next juicy meal, scientists set up a screened-in outdoor laboratory in Zambia.

The research may yield birth control that men could take just before sex, a new paradigm in the decades-long quest to develop better male contraceptives.

The document cites recently obtained data showing that vaccinated individuals infected with the delta variant may be able to transmit the virus as easily as those who are unvaccinated.

For people eager to put the health crisis behind them, the relief of being vaccinated is being replaced by a new worry. Is immunity a ticking clock?

An unprecedented scientific, medical and industrial relay race is about to get underway. It depends on scientists, planes and some very cold freezers.

A coronavirus vaccine has become the light at the end of a very long tunnel, the tool that will bring the virus to heel.

Gilead Sciences executives were acutely aware in 2013 that their plan to charge an exorbitantly high price for a powerful new hepatitis C drug would spark public outrage, but they pursued the profit-driven strategy anyway, according to a Senate Finance Committee investigation.