Crop modeling is essential for understanding how to secure the food supply as the planet adapts to climate change. 

NASA and NOAA satellites have been providing forecasters with satellite data that showed the strength and extent of Typhoon Vongfong as it made landfall in the Philippines and continued to track through the country. 

Corn cultivation spread from Mesoamerica to what is now the American Southwest by about 4000 B.C., but how and when the crop made it to other parts of North America is still a subject of debate. 

When winter smog takes over Asian mega-cities, more particulate matter is measured in the streets than expected. 

The vapor that plants emit when they breathe serves to lower the land surface temperature, much like watering the yard on a hot day. 

An international environmental agreement to regulate the use of chemicals depleting the ozone layer may have inadvertently allowed higher levels of other harmful chemicals to flourish, new research co-led by York University and Environment and Climate Change Canada has found.

In 2002, Earth Observatory published one of the site’s most popular images: the Great Bahama Bank. Eighteen years later, the science has advanced but the sand has not.

On March 19, California was one of the first states to set mandatory stay-at-home restrictions in an attempt to slow the spread of COVID-19.

Arctic sea ice helps keep Earth cool, as its bright surface reflects the Sun’s energy back into space.

Carnegie Mellon University researchers working with an international team of scientists have discovered a previously unknown mechanism that allows atmospheric particles to very rapidly form under certain conditions.