A solar radiation-triggered quake likely caused the asteroid Dinkinesh to lose material. Some of it became a moon that now orbits the space rock, new research found.

NASA's DART mission successfully altered Dimorphos' orbit, but the impact unleashed over 100 boulders, significantly boosting ...

The first look at the Dinkinesh asteroid revealed a surprise: The small space rock had its own moon. Now as the Lucy spacecraft downlinked more images of its first target, it showed not one but ...

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

When NASA’s Lucy mission flew by its first asteroid this week, its cameras captured a surprise. The Lucy spacecraft zoomed by the small asteroid Dinkinesh, located in our solar system’s main ...

Animation showing the binary pair. Gif: NASA/Goddard/SwRI/ASU. The asteroid was added to Lucy’s itinerary earlier this year in order to test the spacecraft’s instruments before it reaches the ...

New data about binary asteroids comes from ESA's Gaia mission, a space-based telescope which has spotted new potential moons around 350 asteroids. Skip to main content Menu ...

World Asteroid Day 2025 is upon us! Here's how you can celebrate the event by livestreaming real-time views of near-Earth ...

Preliminary studies of Lucy’s first images of the binary asteroid pair indicate that the bigger rock is about half a mile wide, while its satellite is about 0.15 miles wide.

See asteroid Donaldjohanson up close thanks to NASA's Lucy mission | Space photo of the day for July 7, 2025 On Nov. 1, 2023, Lucy flew within 268 miles (431 kilometers) of Dinkinesh, which is ...

NASA’s Double Asteroid Redirect Test (DART) spacecraft launched from California last fall and zoomed through space to reach a binary asteroid system — the larger Didymos and its smaller ...

But this discovery shows that there are many asteroid moons out there just waiting to be found." These 352 newly discovered binary asteroids nearly double the known tally of pairs like this in our ...