Please Update your browser
Your browser is out of date, and may not be compatible with our website. A list of the most popular web browsers can be found below. Just click on the icons to get to the download page.
Or continue login with
Guided by ocean plankton fossils and climate models, scientists have calculated just how cold it got...
An asteroid the size of an SUV passed 1,830 miles (2,950 kilometers) above Earth, the closest astero...
NASA has updated its Planetary Protection Policies to reduce the spread of Earth germs in the v...
The South Pole has warmed three times faster than the rest of the planet in the last 30 years due to...
Leading economists such as Nobel laureate Joseph Stiglitz and Nicholas Stern have found that green r...
This much we knew: some 66 million years ago an asteroid roughly twice the diameter of Paris crashed...
The sun appears to be far less active than similar stars in terms of brightness variations caused by...
To help Mother Nature, we should not wait for the help of politicians or big companies who act in th...
It is a curious but remarkably large club: more than 11 million people in Brazil -- seven percent of...
Mars is a constantly tremoring "living" body, researchers said Monday as they unveiled mea...