Lions kill cattle, so people kill lions. Can the cycle end?

Saitoti Petro scans a dirt road in northern Tanzania for recent signs of the top predator…

US official: Research finds uranium in Navajo women, babies

About a quarter of Navajo women and some infants who were part of a federally funded…

How Misha the Bristol polar bear changed zoos forever

The Russian circus polar bear brought to live at Bristol Zoo who helped change zoos. …

Our Amazon: Brazilians who live in the world's biggest rainforest

Cattle breeders, indigenous teachers and loggers are among the more than 20 million people living in…

Scientists use machine-learning algorithms to help automate plant studies

Father of genetics Gregor Mendel spent years tediously observing and measuring pea plant traits by hand…

Heat waves could increase substantially in size by mid-century, says new study

Our planet has been baking under the sun this summer as temperatures reached the hottest ever…

New research furthers understanding about what shapes human gut microbiome

A new Northwestern University study finds that despite human’s close genetic relationship to apes, the human…

Urban, home gardens could help curb food insecurity, health problems

Food deserts are an increasingly recognized problem in the United States, but a new study from…

Modified quantum dots capture more energy from light and lose less to heat

Los Alamos National Laboratory scientists have synthesized magnetically-doped quantum dots that capture the kinetic energy of…

In two states, legalization of recreational marijuana found to have little effect on crime

Eleven states and the District of Columbia have legalized marijuana. A new study funded by a…