Surveyor, a $1.4-billion infrared telescope designed to detect asteroids and comets that could pose a threat to Earth.
In late 2024, astronomers spotted asteroid 2024 YR4 on a trajectory that could potentially threaten Earth. This observation ...
The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet, ...
Meteorites are primarily stony chondrites, but also include iron-rich achondrites and pallasites. Studying meteors provides ...
There is a non-zero chance that somewhere in the nearby solar system is a rock that might kill us all. This stony assassin may well be orbiting the sun at this very moment, careening down a ...
Much smaller rocks can still wreak havoc. In 2013, an asteroid approximately 60 feet in diameter entered the atmosphere near the city of Chelyabinsk, Russia. It exploded before hitting the ground ...
Asteroid 2024 YR4 has a diameter between 40 ... The last damaging one to do so appeared undetected on Feb. 15, 2013, over Chelyabinsk, Russia, injuring many people when its shock wave shattered ...