Ever since Pluto was demoted from planet status, astronomers believe a real Planet Nine exists in the solar system ...

Earth may have had a ring made up of a broken asteroid over 400 million years ago, a study finds. The Saturn-like feature ...

Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a ...

As much as we have explored and modeled our planet, there are a number of mysteries that surround the Earth's inner core.

Interactions between Earth and the solar system have profoundly shaped the planet’s history, influencing evolution and ...

Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than ...

In recent years, astronomers have developed techniques to measure the metal content of stars with extreme accuracy.

Observing our planet from the International Space Station since July 2022, NASA's EMIT (Earth Surface Mineral Dust Source ...

Luke Iseman and Andrew Song have a plan to cool the planet, inspired by a science fiction novel, using balloons full of ...

The fledgling orb, named TI-DYE 1b, is estimated to be three million years old, making it a potential Rosetta Stone for ...