In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically through the system, smashing into each other in collisional cascades. Over time,

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

Astronomers have identified 2025 PN7, a small, faint asteroid, as a quasi-moon that has been orbiting near Earth for approximately 60 years. This celestial object, about the size of a city bus, follows the sun but stays in Earth's orbital path,

An asteroid about the size of a small building zoomed past Earth unnoticed by astronomers last week, coming as close to the Earth’s surface as the International Space Station, according to the European Space Agency. The space rock dubbed 2025 TF was ...

An asteroid just flew closer to Earth than many satellites, according to space agencies. The space object, named 2025 TF, zoomed over Antarctica at a distance of just 265 miles above the Earth's surface last Wednesday, Oct. 1, at 8:47 p.m. ET, the European Space Agency said on Monday. The International Space Station orbits at a similar altitude.

There are many programs that detect near-Earth asteroids as part of countries' planetary defense strategies. In the case of asteroid 2025 TF, it was the Catalina Sky Survey, based in Arizona and operated by the University of Arizona, that first detected the asteroid hours after it passed Earth.

Technically, it's not a real moon. It's what scientists call a quasi-moon-a space rock that doesn't orbit Earth directly but stays nearby in a way that makes it look like it does.