Two plane-sized asteroids and another house-sized one will zip past the Earth today, and more are expected later in the week.

China's Shenzhou 21 astronauts returned to Earth on Friday (May 29), wrapping up a record-breaking, and very eventful, space ...

No one knows why the river of liquid iron flowing 1,400 miles beneath our feet just reversed course.

An asteroid named 2026JH2 will swing by Earth on Monday, passing four times closer than our distance to the moon.

The asteroid was discovered on May 10 by astronomers with the Mount Lemmon Survey, an astronomical project based in Arizona’s ...

Many members of the animal kingdom can detect the subtle undulations of Earth’s magnetic field. Relying on a hidden ...

Models suggest that impact-ejected material from Earth could reach Venus’ clouds and potentially survive there briefly.

"The large-scale flow reversal beneath the Pacific raises new questions about the behavior of Earth's deep interior," ...

Earth was mostly devoid of oxygen for much of its 4.5 billion year lifetime. That is, until certain processes started to ...

This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

The desert floor in Ethiopia looks fixed and ancient, but it is moving. Across the Afar region and down the East African Rift ...