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 ...

Astronomers have identified a 36-billion-solar-mass black hole in the distant Cosmic Horseshoe galaxy, using a new technique ...

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

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.

Climate change is accelerating faster than previously thought, with Earth proving more sensitive to greenhouse gases than ...

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

The banks of the Dead Sea are the lowest point on dry land but not the deepest point on Earth's surface. That distinction ...