"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...

Estimating a mass for a potentially hazardous asteroid (PHA) is perhaps the single most important thing to understand about ...

NASA's Lucy mission flyby asteroid Dinkinesh (aka 1999 VD57). Credit: NASA Goddard Space Flight Center Produced, Edited, and ...

Asteroid 2026 CU1 will sweep past Earth this week at high speed, close enough to attract attention yet deemed safe, raising ...

A 140-foot asteroid is set to sweep past Earth today, and it seems everyone is taking notice. Astronomers have been tracking the space rock, officiall.

NASA is closely monitoring a massive 140-foot asteroid, 2026 CU1, as it zooms past Earth today at nearly 18,803 miles per hour.

On February 10, 2026, the European Space Agency (ESA) awarded a significant contract to OHB Italia for the development of the ...

An illustration of the asteroid Apophis, which will make a close flyby of the Earth in April 2029. Credit: ESA Science Office A niche corner of the commercial space sector is attracting attention from ...

A strange metal rich asteroid called Psyche may be the exposed core of an ancient failed planet, and NASA’s mission could finally reveal what lies beneath its battered surface.

The spacecraft-taken image shows interstellar comet 3I/ATLAS shedding gas and dust and offers new insights into the visitor.

The space rock has a 4.3% chance of striking the Moon in six years—and it could generate a flash nearly as bright as Venus. Reading time 2 minutes A large rocky asteroid will make a close approach to ...

Far beyond Neptune, in the frozen depths of the Kuiper Belt, many ancient objects oddly resemble giant snowmen made of ice and rock. For years, scientists wondered how these delicate two-lobed shapes ...