At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

While the Milankovitch Cycles operate on timescales far longer than human lifespans, their effects are always at play.

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 ...

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 ...

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 ...

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 ...

Researchers find that Earth’s orbital rhythms influenced sediment and organic preservation in Jurassic shale deposits.