For arid, Mars-like Peruvian desert, rain brings death

When rains fell on the arid Atacama Desert, it was reasonable to expect floral blooms to…

Deep-time evolution of animal life on islands

A new article describes two new fossil relatives of marsupials that shed light on how a…

First tally of US-Russia polar bears finds a healthy population

The first scientific assessment of polar bears that live in the Chukchi Sea region that spans…

Competition for shrinking groundwater

Groundwater, which has been used to irrigate crops, satiate livestock and quench thirst in general for…

Alcohol ads with pro-drinking comments on Facebook boost desire to drink, study finds

Alcohol advertisements on social media sites such as Facebook can increase young adults' desire to drink…

Cold Super-Earth found orbiting closest single star to Sun

The nearest single star to the Sun hosts an exoplanet at least 3.2 times as massive…

Researchers discover novel ‘to divide or to differentiate’ switch in plants

Scientists have uncovered a novel mechanism in plants that controls an important decision step in stomatal…

Tropical trees in the Andes are moving up — toward extinction

In the most comprehensive study of its kind, biologists have found that tropical and subtropical forests…

Climate simulations project wetter, windier hurricanes

New supercomputer simulations by climate scientists have shown that climate change intensified the amount of rainfall…

Large areas of the Brazilian rainforest at risk of losing protection

Up to 15 million hectares of the Brazilian Amazon is at risk of losing its legal…