I f astronomers had been walking the Earth 466 million years ago, they may have had something special to see. The moon and ...

On Sept. 22, the Fall equinox formally heralds in autumn and marks the end of summer in the Northern Hemisphere.

We know Mars once had an active geological past, filled with water, volcanic activity, and dynamic geological changes. Now, ...

When we think of planets with rings, Saturn often comes to mind. However, new research suggests that Earth might have had its ...

Fall equinox 2024 arrives on Sunday2. Find out why the first day of autumn still features a little more daylight than ...

The ring would have gradually fallen to Earth as meteorites, correlating to a spike of impacts seen in the geological record.

Earth and Saturn might be a lot more similar than previously thought. In a new study, a team of researchers suggests that 466 ...

A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...

To reach that surprisingly conclusion, scientists studied the positions of 21 asteroid impact craters during the Ordovician period – the second of six periods in the ...

Evidence suggests Earth had a ring system 466 million years ago, causing a surge in meteorite impacts and possibly ...

A newly discovered doughnut shape in Earth's outer core may reveal elements that help drive the formation of the planet's ...