Kyla Burton, 57, was a longtime kindergarten teacher and wife of Arizona Republic Executive Editor Greg Burton.

Billions of years ago, the molecular building blocks of life emerged from a complex web of chemical and geological processes.

TOULOUSE—Scheduled for launch in April, the European Space Agency's (ESA) Biomass mission will help scientists better ...

Brainwave Synchronization – The gravitational influence of Jupiter, the Sun’s solar cycle, and the Earth’s magnetic field ...

I try to get on a more routine sleep schedule when I can, going to bed around a certain time and waking up around a certain ...

Planting fast-growing crops, burning them, capturing the released CO2 and storing it: this is being discussed as a way to ...

Climate change mitigation strategies that don’t address overconsumption and reduce dependence on fossil fuel-derived ...

New research at NAU looks at faster warming in the Arctic, and highlights concern about risks to the U.S. of a political ...

One way to simplify things is by buying a classic bunch of tulips. This is the only flower mass-grown in the United States in ...

Greenhouse gas emissions, particularly from fossil fuel combustion and deforestation, increase global temperatures. Rising temperatures, in turn, cause moisture to evaporate at a faster rate. This ...

Cyanobacteria began contributing oxygen to Earth’s mostly noxious atmosphere more than 2 billion years ago. The photosystem ...

The land remembers. And when it is taken back, it will be by force of history, by force of justice, by force of a people who ...