New efforts aim to curb Florida's startlingly high HIV infection rate.
Hundreds of thousands of Nigerian children are living with HIV, even though the worldwide rates of mother-to-child transmission of the virus have plummeted.
Is Russia, people living with HIV/AIDS struggle to access appropriate treatment.
As Russia grapples with an HIV/AIDS epidemic, individuals are stepping forward to help find a solution.
With rising sea levels, Bangladeshi islanders are confronted with hard choices on how to best deal with the water that is both a threat and a necessity.
The threat of future nerve agent attacks is spurring urgent efforts to find better countermeasures, with several promising compounds in the pipeline.
In the 1980s, Iraq frequently shelled Iranian soldiers and villagers with sulfur mustard and nerve agents. Scientists are seeking to uncover how the chemical attacks trigger illnesses decades later.
The Iran nuclear deal opened doors for the Islamic republic to join in on collaborative nuclear experiments—but uncertainty over the agreement’s fate has put many of those projects on hold.
Science Magazine’s Richard Stone talks about his experiences traveling the world and reporting on international efforts to improve nuclear security.
Overcoming spying allegations and years of enmity, U.S. and Chinese nuclear scientists team up to neutralize proliferation risks around the world.
In one of the world's least recognized crises, hunger amplifies disease for millions fleeing the violence of Boko Haram in northeastern Nigeria.
Ice loss on Greenland used to be driven by massive calving glaciers. Now surface melt dominates, driven by sun, dust and the surprising role of microbes.