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

The mere mention of the Sahara often conjures an image of an unchanging, inhospitable desert fixed in its aridity. And yet, several millennia ago, this region had a very different appearance, with ...

One of those changes is perhaps the most significant of all, at least to us: lengthening days are linked to the oxygenation of Earth's atmosphere, according to a study from 2021. Specifically, the ...

Riley Black is back with another deep dive into deep time—and makes room for the often-overlooked prehistoric plants. This April, the SciFri Book Club will read When the Earth Was Green: Plants, ...

Transitioning to a green economy demands significantly more critical metals—such as copper, rare earth elements, and cobalt—than current supplies can meet. To address this shortage, it is essential to ...

Paleoclimate and archaeological evidence tells us that, 11,000-5,000 years ago, the Earth's slow orbital 'wobble' transformed today's Sahara desert to a land covered with vegetation and lakes.

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 ...