A small asteroid, called 2025 TP5, safely flew by our planet on Oct. 15 at about a quarter of the distance to the moon.

Though harmless itself, its passage through the solar system is helping researchers test the systems, partnerships and knowledge needed to keep Earth safe.

The comet, called 3I/ATLAS, is the third known interstellar object that has come through our solar system. As it flies deeper ...

Asteroid 2024 YR4, a celestial body roughly the size of a small building, has captured global attention due to its potential ...

According to NASA, "Asteroid 2024 YR4 is now too far away to observe with either space or ground-based telescopes. The space ...

2025 PN7 is a small, dim asteroid that appears to orbit Earth, according to EarthSky. Believed to be a piece of the moon that ...

An asteroid just flew closer to Earth than many satellites, according to space agencies. The space object, named 2025 TF, ...

Contrary to online rumors, Earth still only has one true moon, but astronomers have discovered a so-called 'quasi-moon.' Here ...

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

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 ...

The discovery of a new asteroid in the Earth's orbit around the sun has led to chatter that it's a second moon.

There are many programs that detect near-Earth asteroids as part of countries' planetary defense strategies. In the case of ...