When alien plants integrate into an existing ecosystem and successfully spread there, in rare cases this can contribute to the increased uniqueness of the regional flora.

In the summer months, sea ice from the Arctic drifts through Fram Strait into the Atlantic. 

Millions of people around the world lack access to electricity. 

Insights into how the West Antarctic Ice Sheet responded to a warmer climate millions of years ago could improve predictions of its future.

Preliminary reports suggest one tornado may have traveled nearly 200 miles, causing severe damage and human losses in Kentucky and three other states.

The National Center for Atmospheric Research (NCAR) has received $6.5 million in funding from NASA to launch a roughly shoebox-sized satellite into space carrying an instrument designed to measure the howling thermospheric winds, which can gust more than 300 miles per hour through the highest reaches of the Earth’s atmosphere.

Whether it’s warm outside or cold, people generally eat about the same amount. But a fish’s appetite can vary enormously with the temperature. 

The Andes Mountains are much taller than plate tectonic theories predict they should be, a fact that has puzzled geologists for decades. 

In November 2019, visitors to Joshua Tree National Park in California encountered a strange sight.

Decreasing vehicle emissions since 2008 have reduced by thousands the number of deaths attributable to air pollution, yielding billions of dollars in benefits to society, according to a new study led by researchers at Harvard T.H. Chan School of Public Health.