Earth's seasons look very different at locations not far from each other, 20 years' worth of satellite data reveals.

HOUSTON, Texas -- Houstonians showed up in droves to help make an environmental impact at the 16th annual ABC13 Earth Day E-Cycle Drive. A steady line of vehicles flowed through CompuCycle's Spring ...

The slow rotation of the orbits of Earth and Mars, recurs every 2.4 million years. (Representational) Our existence is governed by natural cycles, from the daily rhythms of sleeping and eating, to ...

Scientists have long debated what causes glacial/interglacial cycles, which have occurred most recently at intervals of about 100,000 years. A new study reported in the March 24 issue of Nature finds ...

What do the Gulf of Mexico's "dead zone," global climate change and acid rain have in common? They're all a result of human impacts to Earth's biology, chemistry and geology, and the natural cycles ...

Researchers from the Institute of Geology and Geophysics at the Chinese Academy of Sciences and Curtin University in ...

A series of severe frosts during the early days of the Earth could have provided the ‘spark’ needed to kickstart life, according to a new study. Researchers have discovered that repeatedly freezing ...

Earth is closer to the sun at some times of year than at others, with the time of closest approach shifting over a period of 22,000 years. This affects Earth's climate, including ice ages, but a team ...