The Guler Ice Caves near Trout Lake, Washington offer exactly that experience, minus the frozen pizza and questionable ...

NASA-supported scientists have provided new information about how the early Earth may have acquired some elements necessary ...

A circle running along the 27° east and 153° west meridians divides the globe into two halves with equal reflectivity – and ...

Four-and-a-half billion years ago, a massive world—possibly as big as the moon or even Mars—orbited our sun before crashing ...

"A key step toward ultimately understanding which planets can stay alive, keep their water, and perhaps even, one day, host ...

Skywatchers are in for a spectacular celestial treat this June as Venus and Jupiter, the two brightest planets visible from ...

New findings from a massive volcanic eruption revealed a surprising chemical process that could help tackle climate change.

A revolutionary new technique is set to reveal the secrets of soil without so much as scratching its surface. Secrets that ...

Explore David Attenborough's incredible 100-year journey, from a curious boy to a global icon. Discover his profound impact ...

Humanity may already be living far beyond what Earth can sustainably support, according to a sweeping new study analyzing more than 200 years of population and environmental data. Researchers found ...

The ideal number of humans on Earth is around 2.5 billion and a major study explains what that means for our future.

Global risks are too great for markets alone to curb. Political considerations must come before economic ones.