Between 11,000 and 5,000 years before our era, during the Holocene, changes in Earth's orbit increased ... published in , reveal that this greening of the Sahara profoundly influenced the climate ...

This April, the SciFri Book Club will read When the Earth Was Green: Plants, Animals, and Evolution’s Greatest Romance by Riley Black. This Book Club season kicks off Tuesday, April 1, and you can ...

New method harnesses Earth's natural forces to produce ammonia sustainably, offering a greener alternative to fertilizer ...

The green-tinged Comet Nishimura is zipping past Earth, and you have a few days to grab what could be a one-time-only chance to spot it — with a little know-how. Comet Nishimura, named after the ...