A perspective analysis suggests that constrained geochemical timelines, complex viral defenses in early ancestors, and candidate Martian biosignatures challenge independent terrestrial origin-of-life ...

Scientists have run modelling through Australia's most powerful computer to solve a 150-year-old geological mystery: what ...

A solar eclipse recorded in China more than 2,700 years ago is giving scientists a fresh look at how Earth used to rotate.

ORONO — University of Maine professor Alicia Cruz-Uribe and her colleagues were analyzing a box of rock samples from Mars when they made an unexpected ...

It’s called the Great Unconformity, and it’s a gap in the geologic record,” says Nicolas Flament, a geoscientist at the ...

Seen in the Grand Canyon and other locations, the pressing mystery of the Great Unconformity might have a solution.

Around 4.5 billion years ago, a planet-sized object collided with the newly formed Earth, throwing out the debris that would ...

The Great Unconformity is a mysterious gap of hundreds of millions of years in Earth’s geological history – and new research ...

Sometimes what is missing can tell us more about the story of Earth than what we can see.” Earth’s geological history is like ...

Roughly 120 million years ago, the seas covering what is now central Colombia were home to an extraordinary mix of ancient ...

A 1,500-kilometre crossing of the Rub' al Khali found the beds of 55 ancient lakes and not one stone tool. A Nature study ...

While robot dogs feel like old news now, setting them the challenge of racing up more than 3,000 uneven stone steps on the ...