micrometeorite

NASA's Artemis 2 astronauts saw flashes on the far side of the moon that cameras struggle to capture. Here's why scientists are excited

By Leonard David Published 8 May 26

The Artemis 2 astronauts saw several impact flashes on the moon during their epic April 6 flyby, observations that have excited scientists and mission planners alike.

Famous asteroid Ryugu may have been bombarded by a swarm of tiny space rocks 1,000 years ago

By Robert Lea Published 24 April 26

Samples of Ryugu returned to Earth by the Hayabusa2 spacecraft show that the asteroid bears the scars of a recent bombardment by tiny space rocks.

'Audible screams of delight' from NASA scientists over micrometeorite impacts on the moon witnessed by Artemis 2 astronauts

By Josh Dinner Published 8 April 26

NASA scientists are thrilled with the Artemis 2 astronauts' moon flyby observations — especially the micrometeor impact flashes they saw.

Fossilized micrometeorites record ancient carbon dioxide levels

By Katherine Kornei Published 9 September 25

A cadre of iron-rich extraterrestrial particles picked up faint whiffs of our planet's atmosphere when they fell to Earth millions of years ago.

Ancient Meteorites Found to Pack Secrets of the Solar System

By Clara Moskowitz Published 6 May 10

Two tiny meteorites discovered in a 55-year-old snowpack in Antarctica could reveal secrets about the formation of the solar system, scientists say.

Shuttle Crew to Scan Discovery's Wing for Space Rock Damage

By Tariq Malik Published 14 July 06

HOUSTON – Astronauts aboard NASA’s space shuttle Discovery will begin a final inspection of their spacecraft’s wings today in a first-ever hunt for any signs of impact from miniscule space rocks.