Study shows some exoplanets may have greater variety of life than exists on Earth

A new study indicates that some exoplanets may have better conditions for life to thrive than…

What do criminal justice risk assessments actually assess?

Exposure to the criminal justice system increases some of the risk factors used to predict recidivism…

Cracking a decades-old test, researchers bolster case for quantum mechanics

In a new study, researchers demonstrate creative tactics to get rid of loopholes that have long…

Nano-thermometer takes temperature inside cells

How do you know a cell has a fever? Take its temperature. Click here…

What's killing sea otters? Scientists pinpoint parasite strain

Many wild southern sea otters in California are infected with the parasite Toxoplasma gondii, yet the…

How red-eared invaders are hurting California's native turtles

In the summer of 2011, visitors to the University of California, Davis, Arboretum may have witnessed…

New images from asteroid probe offer clues on planet formation

Photographs snapped by a shoebox-sized probe that explored the near-Earth asteroid Ryugu have offered new clues…

30 Years Ago: Voyager 2's Historic Neptune Flyby

Humanity’s first and (so far) last visit to the outermost giant planet in our…

San Francisco Zoo brings red-legged frogs back to Yosemite

A healthy population of red-legged frogs is hopping in Yosemite National Park, helped by a reintroduction…

Amazon fires stir bitter dispute over who is to blame

As fires raged in the Amazon rainforest, the Brazilian government on Thursday denounced international critics who…