If we slam an impactor into an asteroid in exactly the wrong spot, the space rock may pass through a "gravitational keyhole" that brings it to Earth.
"Bennu is a time capsule of the material that was throughout the solar system."
The near-Earth asteroid's microscopic surface tells a detailed story.
Asteroid Ryugu is proving to be one of the most scientifically valuable time capsules in the solar system.
The techniques used to target the asteroids could also be employed in tracking hazardous asteroids and interstellar objects.
By transforming idle heliostats into asteroid detectors, scientists aim to develop a cost-effective method for spotting faint, fast-moving space rocks.
NASA currently leads the nation's planetary defense efforts, but some are calling for the Space Force to take control.
Scientists have examined the interstellar invader 3I/ATLAS, finding evidence that it is packed with water that could be older than the solar system.
The 2024 YR4 asteroid may come close to Earth, but how do experts calculate this potential impact?
The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday morning (July 21).
