Record high levels of greenhouse gas pollution continued to increase the heat trapped in the atmosphere in 2019, according to an annual analysis released by NOAA scientists.

The clouds that frequently produce severe weather—cumulonimbus—are seen building up during the afternoon over the South China Sea.

Ice-blue clouds are drifting high above the Arctic, which means the Northern Hemisphere’s noctilucent cloud season is here.

Microgreens. They’re leafy green vegetables that are relatively new to the dining room, but a study by a Colorado State University team indicates that they will be welcome company at the table.

A Northwestern University-led team has developed a highly porous smart sponge that selectively soaks up oil in water.

Hydropower plants can support solar and wind power, rather unpredictable by nature, in a climate-friendly manner. 

New guidelines for scientists and regulators show how deliberate infection of volunteers for vaccine trials can be done ethically

The Atlantic Rainforest has been so savagely clearcut and burned over several centuries that only approximately 12% now remains. 

Researchers at the University of Southampton have shown that an extinction event 360 million years ago, that killed much of the Earth’s plant and freshwater aquatic life, was caused by a brief breakdown of the ozone layer that shields the Earth from damaging ultraviolet (UV) radiation.

Sea snakes first entered the marine environment 15 million years ago and have been evolving ever since to survive in its changing light conditions, according to a new study.