The fewest number of U.S. middle and high school students are currently using tobacco products since the National Youth Tobacco Survey began in 1999.

A mid-1850s act let the United States seize islands rich in bird guano. Those strategic outposts fueled the U.S. rise to power, a researcher says.

Blood isn’t actually toxic to all male mosquitos. In at least one virus-carrying species, it may even help them live longer.

Rediscovery of giant salmon carp in Cambodia sparks hope for the rare fish’s survival and efforts to conserve one of the greatest diversity hot spots.

Of the 119 insects collected from the rhinos, blowflies ( Diptera) and beetles ( Coleoptera) were the most abundant and useful for calculating the minimum postmortem interval for each rhino, the team ...

The U.S. Department of Energy has been funding development of small modular reactors. On October 16, the DOE announced $900 million in funding for deployment of small modular reactors. And both ...

Data from the OSIRIS-REx mission to Bennu place a ceiling on the strength of a hypothetical fifth force that could explain dark matter’s origins.

Polar bears have been exposed to more viruses, bacteria and parasites in recent decades, a new study shows, possibly acquiring the germs in their diet.

In pigs, the device detected overdoses and administered naloxone. It could also alert emergency services to respond.

Recent clinical trials of weekly insulin highlight how this formulation may be useful in managing diabetes, but the drug has limitations.

Astronomers have found a world shrouded in an atmosphere of water vapor, orbiting a star 100 light-years away.

Drones with lasers revealed hidden urban centers that may have aided trade and travel through mountainous regions during medieval times.