However, you're more likely to read and hear about meteors, meteoroids, meteorites, comets, and asteroids online and in the news, so here's a breakdown of exactly what they are. Meteors occur when a ...

For decades it was thought that water was prevalent in the outer reaches of the Solar System early in its history, with ...

NASA shows how asteroids shaped Earth’s past. They still hold the power to reset life as we know it, but scientists are ready ...

Apr. 16, 2025 — Why do comets and their meteoroid streams weave ... the popular theory that water on Earth originated from asteroids bombarding its surface; Scientists have analyzed a meteorite ...

Asteroids, comets and Kuiper belt are bodies smaller than planets that orbit the sun. Asteroids are composed of metals and rock, whereas comets also contain ice and dust. The Kuiper belt is a ...

Astronomers discover many asteroids and comets each year, some of which are near-Earth objects (NEOs) that move through the ...

Tianwen, which means "questions to heaven," is the name given to China's program of robotic Solar System exploration. Tianwen ...

Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic home. These planetary leftovers offer clues to our creation—and ...

The CNSA said the Tianwen 2 mission is expected to accomplish multiple objectives through a single expedition, including the ...

China's Tianwen 2 spacecraft launched on Tuesday (May 28), kicking off a bold mission to grab a sample of one of Earth's ...

China launches Tianwen-2 mission to sample near Earth asteroid China launched its second planetary exploration mission ...

The Earth started as a mixture of gas and dust around the Sun and grew as it collided with asteroids and dust particles.