asteroid

"We no longer have to wait for an asteroid or comet to come to Earth to understand their histories," Ms. Losurdo said.

From Science Daily ● Jul. 19, 2026

To investigate these missing chapters of Earth's history, scientists can study asteroid showers, periods when fragments from a major collision repeatedly strike planets and moons across the inner solar system.

From Science Daily ● Jul. 18, 2026

Although the lunar evidence pointed to an impact surge, researchers still needed to identify a realistic event in the asteroid belt that could have produced it.

From Science Daily ● Jul. 18, 2026

"Our cosmic forensics team used collisional and dynamical models to link these to the formation of the Eulalia asteroid family, when a primitive carbonaceous chondrite-like object collided with another object," Bottke said.

From Science Daily ● Jul. 18, 2026

But what if the flashes were instead caused by the impact of a small asteroid or a piece of a comet?

From "Cosmos" by Carl Sagan

From about 4.56 billion to 3.5 billion years ago, meteorites, micrometeorites and interplanetary dust particles from asteroids and comets repeatedly struck Earth.

From Science Daily ● Jul. 19, 2026

The process created carbon-rich dust resembling material that floats through interstellar space and is preserved inside comets, asteroids and meteorites.

From Science Daily ● Jul. 19, 2026

Many asteroids currently found near Earth are believed to have escaped from the asteroid belt through the J3:1 region.

From Science Daily ● Jul. 18, 2026

The theory of panspermia proposes that life, or the ingredients needed for it, can spread throughout the cosmos aboard asteroids, comets, and other rocky objects.

From Science Daily ● Jun. 26, 2026

So, too, we would say, the craters we see on the moon are vestiges of past collisions with asteroids.

From "The Invention of Science" by David Wootton