"We are a bit surprised about its origin in the central main asteroid belt, which is a location in the asteroid belt that we ...

The hefty space rock 2014 TN17 is large enough to wipe out a city, but it will pose no risk to our planet when it sails by this Wednesday (March 26). Researchers will monitor it carefully during its ...

The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet, ...

"This has been a decade-long detective story, with each recorded meteorite fall providing a new clue," said one astronomer.

So it might come as no surprise that another of the main asteroids—Pallas—is in a class all its own except for the 300 or so members of its "family" with similar orbital profiles and ...

LOS ANGELES – 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 ...

Hera is designed to conduct a more detailed "crash scene investigation," providing data about Dimorphos' shape and composition ... for deflecting the orbital paths of asteroids, if those paths ...

Global shape, topography, gravity field, rotation, and orbital motion are fundamental properties of planets, moons, asteroids, and comets. PGD studies these properties in detail, as these provide ...

The Near-Earth Object (NEO) Surveyor is a $1.4-billion infrared telescope with a single mission: to hunt asteroids and comets that could pose a danger to Earth. Astronomers have already identified ...