Earth news stories

Cahokia was the largest prehistoric American Indian settlement north of Mexico. It’s known as “America’s first city,” and it is believed to have had a population larger than London in 1250.

In normal conditions the difference is unnoticeable, but the drought has brought the ancient monument into clear view.

The Minnesota pipeline at the center of this latest battle is a replacement for an existing pipeline called Line 3.

It’s one of three newly designated ages divvying up the Holocene Epoch, a geologic time period kicked off 11,700 years ago by the end of the Ice Age.

The ubiquitous plant alters its defense systems in a tougher environment, prompting researchers to call it a perfect test species for study as urban areas expand.

Tiny specks of bread have been found in fireplaces used by hunter-gatherers 14,000 years ago, predating agriculture by thousands of years.

Is bright pink the new black? Well, not exactly, but it is the world’s oldest-known color, according to new research.

Scientists might be able to draw from new sources of cannabis compounds for research.

As ill California man’s landmark case begins, attorney attacks Roundup maker’s response to researchers’ findings.

Far from just being the product of our parents, widespread transfer of genes between species has radically changed the genomes of today’s mammals, and been an important driver of evolution.

The Hera spacecraft mission, proposed by the European Space Agency, is heading to a binary asteroid to support NASA’s planetary defense plan against potential asteroid collision.

The small asteroid exploded in the air; fragments may have reached Earth. Plus … why are so many large meteors seen over Russia?

For the first time, the US Food and Drug Administration has approved a drug made from cannabis.

The U.S. launches a new effort to better catalog Earth killers. But the big question is what to do if we find one headed our way.

It looks like a normal tree, but in spring the plant reveals a patchwork of blossoms, which turn into an array of plums, peaches, apricots, nectarines, cherries and almonds during the summer months.

Your questions about the medical use of cannabis oil answered.