Earth has dodged a celestial bullet, but the moon might not be so lucky, and that has scientists keeping their telescopes and minds trained on a massive asteroid called “2024 YR4.” That’s not its ...

A small asteroid, known as 2025 TF, flew over Antarctica on October 1, 2025, at an altitude of only 266 miles.

The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.

Scientists are still concerned that asteroid 2024 YR4 could hit the moon in the future One of the solutions suggested is nuking the asteroid to save the moon Scientists say the plan to use nuclear ...

Astronomers have identified 2025 PN7, a small, faint asteroid, as a quasi-moon that has been orbiting near Earth for ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

When most people imagine Earth's asteroid belt, they picture a dense ring of orbiting rocks, locked in place between Mars and ...

Discover when and how to observe the interstellar comet 3I/ATLAS in the U.S. in late 2025. Learn about its features, viewing ...

A new study of dinosaur biodiversity challenges the belief that the megafauna were on their way out 66 million years ago ...