Several species of invasive weeds could become a source of renewable bioenergy, according to University of Queensland research.

A recently discovered extraterrestrial "visitor" is hurtling toward the inner solar system at 130,000 miles per hour and has quickly captured the attention of astronomers and space enthusiasts around the world, including here at the University of Arizona.

A new study maps infectious diseases across millennia and offers new insight into how human-animal interactions permanently transformed our health landscape.

The top-line findings of a massive analysis of the growth rate of more than 20,000 tropical trees in over 30 countries may at first seem reassuring: that droughts over the past century have had a minimal effect on their growth. 

Our intestines are home to trillions of microorganisms that produce substances capable of regulating all the body’s organs via the bloodstream and the gut’s nervous system.

A new strategy for strengthening polymer materials could lead to more durable plastics and cut down on plastic waste, according to researchers at MIT and Duke University.

A new study leveraging 20,000 tree-ring records and nearly 150 scientists' contributions from across the globe shows that, while droughts appear to have had a modest impact on tropical tree growth in the past, that may not be the case for long.

Scientists from the University of California, Santa Cruz, partnered with Pie Ranch, an educational farm in Pescadero, to study the sustainability payoffs of fertilizing plants with water removed from aquaculture, an age-old practice.

Fossil teeth reveal how a 56-million-year-old mammal adapted to global warming and what it means for animals today.

Review shows most devices are untested in real-world settings or for possible harms.