Scientists have spotted the largest flare ever recorded from the sun’s nearest neighbor, the star Proxima Centauri.

Wildfire smoke can trigger a host of respiratory and cardiovascular symptoms, ranging from a runny nose and cough to a potentially life-threatening heart attack or stroke.

Floodwaters are not what most people consider a blessing. But they could help remedy California’s increasingly parched groundwater systems, according to a new Stanford-led study.

A fire in Central Park seems to appear as a smoke plume and a line of flames in a satellite image. 

Satellites such as the NASA and USGS Landsat 8 can help scientists identify where an algal bloom has formed in lakes or rivers.

Forecasters are excited about the potential for using aerial images for post-storm damage surveys.

Metals are one of the most widely used materials in the world - they are used in cookware, tools, electric appliances, electric wires, computer chips, jewelry and so on.

In 1836, Philadelphians mostly used whale oil and candles to light their homes and businesses.

Illinois is undergoing a rapid change in weather patterns that already has started to transform the state, a major new scientific assessment finds.

If the CO2 content of the atmosphere is not to increase any further, carbon dioxide must be converted into something else.