The planet Earth thawed approximately 4.5 billion years ago. The Moon was created when a Mars-sized object crashed. If there ...

Of the heavy metals spewed by dying stars, the astronomers were particularly interested in iron-60. That’s because iron-60 is ...

Bacteria used oxygen far earlier than expected, reshaping views on early life, evolution, and photosynthesis origins.

Until now, it’s been very hard for scientists to establish a detailed timeline of the early evolution of bacteria.

A reanalysis of paleomagnetic poles provides tighter bounds on the style and rate of motions of our whole planet with respect ...

The study also provides a new approach to solving one of the biggest enduring scientific mysteries: when did plate tectonics begin?

Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing over a period of roughly 30 million years, but that would come to a ...

Scientists found evidence of a whole continent that vanished like, ages ago—like, 115 million years ago! It's like something out of a sci-fi flick, right? Apparently, it was this massive landmass, ...

In 2024, the concentration of carbon dioxide hit amounts unseen in at least two million ... least 800,000 years. Homo sapiens, or modern humans, emerged around 300,000 years ago, so our species ...

A palaeontologist explains. Did all dinosaurs become extinct — killed when an asteroid hit the Earth 66 million years ago? Or could a few of them, somehow, have survived that mass extinction ...

Glaciers that came as far south as New York and Wisconsin, as some did 18,000 years ago, were not the ... it's been about 600 million years since the earth has had this sort of problem.

Dire wolves roamed the Earth during the Pleistocene, between around 11,700 and 2.6 million years ago. Paleontologists have consistently unearthed their remains in North and South America ...