There have been proposed hypotheses as to how the Moon could have developed a core dynamo. For instance, a 2022 analysis suggested that in the first billion years, when the Moon was covered in molten ...

Experts know from past experiments that djerfisherite can be created when potassium-rich fluids and iron-nickel sulfides ...

Planetary scientist Professor Dante Lauretta is the leader of NASA's OSIRIS-REx, the first US mission to collect a sample ...

There's still a very low probability that it would even impact the Earth at all." How big is it and how much damage could it do? The asteroid 2024 YR4 is big, but it's certainly no dinosaur killer.

According to NASA’s JPL tracking, 2020 XR will cross through Earth’s orbit Wednesday and then head out toward Mars’ orbit.After crossing Mars’ path in February 2025, the asteroid will ...

Researchers used computer simulations to study the impact of an asteroid with the diameter of Bennu ... successfully collected 120 grams of samples from Bennu in 2020 and delivered them to Earth ...

An impact from Bennu would be very destructive, but Earth has seen worse. Around 66 million years ago, an asteroid that was roughly 6 miles wide (10 kilometers across) struck Earth, killing most ...

Significantly larger but much farther away from impact than Tuesday's asteroid, 2020 XR is approximately 1,200 feet in diameter -- roughly the same as the height of New York City's Empire State ...

The asteroid that had people fearful for their lives is now very unlikely to strike the planet,... but scientists reveal it ...

NASA said the asteroid was about 70 centimeters, or about 27.5 inches, in diameter. Astronomers across the world collaborated to create alert system to predict an asteroid impact within 10 seconds ...

According to NASA’s JPL tracking, 2020 XR will cross through Earth’s orbit Wednesday and then head out toward Mars’ orbit.After crossing Mars’ path in February 2025, the asteroid will ...