Asteroids range in size from Vesta – the largest at about 329 miles (530 kilometers) in diameter – to bodies that are less than 33 feet (10 meters) across. The total mass of all the asteroids …

Earth sometimes temporarily hosts orbiting asteroids or large rocks. They are typically trapped by Earth's gravity for a few months or years before returning to an orbit around the Sun. Some …

Our solar system’s small bodies – asteroids, comets, and meteors – pack big surprises. These chunks of rock, ice, and metal are leftovers from the formation of our solar system 4.6 billion …

Apr 24, 2019 · The small asteroid will enter Earth's atmosphere at 19 km/s (43,000 mph) on April 29, 2027, producing a large fireball or "megabolide," and predicted to release 5-20 megatons …

Aug 18, 2020 · But an SUV-size asteroid set the record this past weekend for coming closer to Earth than any other known NEA: It passed 1,830 miles (2,950 kilometers) above the southern …

Our solar system consists of our star, the Sun, and everything bound to it by gravity – the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; dwarf planets such as …

Nov 15, 2018 · Scientists speculate that asteroids colliding with the early Earth might have been the source of some of the organic molecules and most of the water found here today.

It's likely that we could identify a threatening near-Earth object large enough to potentially cause catastrophic changes in the Earth's environment, and most astronomers believe that a …

Aug 7, 2020 · The team of scientists and telescope operators was able to observe the asteroid for two and half hours, collecting precise measurements of the asteroid’s speed and distance from …

Hayabusa2 is a Japanese spacecraft that studied asteroid Ryugu, collected samples, and brought them to Earth for analysis. The spacecraft is on an extended mission to asteroid 1998 KY26.