The fossil’s discovery in Brazil shows that ants have been around for longer than once thought. This insect impaled its prey with scythe-like jaws, scientists say.

The billionaire funded an XPrize for carbon removal. But he won't be at the ceremony announcing the winner Wednesday.

The XPRIZE for Carbon Removal rewards companies that developed new ways to pull carbon out of the air. But long-term success ...

Chicago breaks ground on a pipeline that will bring water from the Great Lakes to some suburbs whose groundwater is running ...

A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than ...

The 100th meridian marks a dividing line between moist climates to the east and arid climates to the west. Climatologists now ...

Earth Day draws attention to climate change, but it's also been a fascinating day in weather history, with everything from ...

It's probably the largest flood in our planet's history.

Some of these formations date back as far as 7.44 million years ... After the mid-Pleistocene transition, around 700,000 years ago, rainfall became increasingly scarce and erratic— unable ...

Earth scientists in the United Kingdom reviewed data from more than 8,000 fossils from the Campanian and Maastrichtian ages, spanning 83.6 million to 66 million years ago. At first glance ...

The Saharo-Arabian Desert is one of the largest biogeographic barriers on Earth, limiting the dispersal of early humans and animals between Africa and Eurasia. Recent research suggested the desert had ...

A map of the volcanic ashfall resulting from two Yellowstone supereruptions (~2 million years ago and ~630,000 years ago), the formation of the Long Valley Caldera in California ~760,000 years ago ...