Fat bacteria? Skinny bacteria? From our perspective on high, they all seem to be about the same size. In fact, they are.

Researchers working to maximize solar panel efficiency said layering advanced materials atop traditional silicon is a promising path to eke more energy out of sunlight.

Warmer winters due to climate change are causing lakes in the Northern Hemisphere to experience more ice-free years, according to a new study.

TESS has discovered 74 exoplanets, or worlds beyond our solar system. Astronomers are sifting through some 1,200 additional exoplanet candidates, where potential new worlds await confirmation.

Man-made global heating has long been presented as a relatively simple chain of cause and effect: humans disrupt the carbon cycle by burning fossil fuels, thereby increase the concentration of CO2 in the atmosphere, which in turn leads to higher temperatures around the globe.

Hydrofluorocarbons (HFCs) are mainly used for cooling and refrigeration.

A funny thing happens when you grow accustomed to something in your life.

A new plant species named "Cardamine insueta" appeared in the region of Urnerboden in the Swiss alps, after the land has changed from forest to grassland over the last 150 years.

If countries want to lower emissions as substantially, rapidly and cost-effectively as possible, they should prioritize support for renewables, rather than nuclear power.

A larger part of the Amazon rainforest could cross a tipping point where it could become a savanna-type ecosystem than previously thought.