Step back in time 3 billion years, to an Earth so alien it would be almost unrecognizable today. There were no continents as ...

Take a breathtaking journey back in time to uncover what Earth’s ancient landscape looked like 3 billion years ago. Long ...

By analyzing oxygen isotopes in dinosaur teeth, scientists revealed Mesozoic CO₂ highs, plant growth surges, and volcanic ...

NASA spotted something that will arrive on Earth in the next couple of months. It won't destroy it - but if this was the goal ...

New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once ...

Scientists break down the reasons why days are getting shorter—and the mystery they're still trying to solve about Earth's ...

The space rock came as close as within 4.15 million miles from our planet, according to NASA's Jet Propulsion Laboratory.

"This breakthrough enables scientists to do something that was impossible until now," according to the system's creators.

Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and ...