One striking example is the asteroid impact 66 million years ago that ended the ... and Implications While Earth’s ancient ring system likely dissipated after 20 to 40 million years, similar ...

Near-Earth asteroid Bennu has a slim chance of colliding with Earth in 2182. If it does, the impact could trigger a global ...

An ancient bird that swam in Antarctica’s balmier waters 69 million years ago may be the earliest known waterfowl on Earth, scientists ... iaai was first described about 20 years ago, from ...

For more than 150 years, scientists have debated whether Prototaxites—which stood roughly 24 feet tall and 3 feet wide—were ...

Homo erectus was able to adapt to and survive in desert-like environments at least 1.2 million years ago, according to a paper published in Communications Earth & Environment. The findings suggest ...

The study, published in Nature Communications Earth & Environment ... the world shows Homo erectus adapted at least 1.2 million years ago -- long before our species, Homo sapiens, emerged.

Sharks have roamed the open seas for close to half a billion years and have witnessed the Earth’s ... liverworts emerged around 470 million years ago during the Ordovician Period.