Ancient footprints challenge the timeline of human arrival in North America, suggesting people were here much earlier than ...

It would take more than 9.5 million square miles of trees to offset the emissions of the world’s 200 largest fossil fuel ...

Reaching Iran's most fortified nuclear enrichment site is a challenge, even for the world's biggest conventional weapons.

The M-class flare was accompanied by a coronal mass ejection currently forecast to land Earth with a glancing blow on June 18 ...

The summer solstice, the longest day of the year in the Northern Hemisphere, falls on June 20 this year in North America, and ...

It is trusted by some of the world's largest employers and school groups, including Amazon, Barclays, and UPS, and has ...

A strong M8.46-class solar flare erupted from the sun on June 15, causing radio blackouts across North America. The event ...

Wyoming and Montana took center stage at a congressional hearing Tuesday about fast-tracking rare earth processing in the U.S ...

A study reveals that the oldest continental crust on Earth is slowly being broken up by shifting tectonic forces.

Long before the Great Lakes came to define the heart of North America, a much larger lake once ruled the land. Lake Agassiz, ...

Planting trees has plenty of benefits, but this popular carbon-removal method alone can’t possibly counteract the ...

Five years. 180 expeditions. One supercontinent. NBC’s The Americas takes viewers on an epic journey from pole to pole, ...