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.

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.

New research suggests that dinosaur populations were thriving in North America before the asteroid impact 66 million years ago that caused mass extinction.

Astronomers have discovered a small asteroid that has been quietly accompanying Earth on its journey around the sun for the past 60 years, according to research published in September. The celestial object,