The deep snow and icy conditions have rendered these swift animals, the fastest land mammals in North America, unable to use ...

The project involved simulating a flight beyond low-Earth orbit, including the effects of long-term isolation with restricted communication and expedition resources ...

Researchers mapped Earth’s ionosphere, part of the upper atmosphere, using signal data from 40 million phones – a method that ...

We have an extremely incomplete picture of what these snowball periods looked like, and Antarctic terrain provides different ...

When the air is partly ionized, freely moving electrons slightly slow down the radio signals travelling to Earth from GPS and ...

A time-lapse view of Antarctica & the moon can be seen in footage captured by the Meteosat-11 satellite. Credit: Simon Proud ...

The Leonid meteor shower peaks in North America overnight from Nov. 17 to 18, with fast-moving fireballs possible in US skies ...

Geologists have uncovered strong evidence from Colorado that massive glaciers covered Earth down to the equator hundreds of ...

The rapid loss of the magnetic field over North America is still unexplained but is linked to the shift of geomagnetic poles ...

An invasive species of freshwater mussel never-before-seen in the United States was found in California. This is the first ...

After making U.S. history as only the second person to be elected to a nonconsecutive term as president, Donald Trump had ...

In this week's issue of our environmental newsletter, we talk to the authors of a book that argues world leaders intend to ...