About 15% of asteroids near Earth have small moons orbiting them, making binary asteroid systems common in our cosmic ...

NASA’s DART mission precisely measured changes in asteroid Dimorphos’ orbit and the Didymos system’s heliocentric motion using radar, stellar occultations and space observations.

In 2022, NASA made history, deliberately smashing a spacecraft into an asteroid to see if it could alter the object's orbit around its larger companion asteroid. We already knew that the Double ...

A new study shows that, not only did the agency’s 2022 DART mission shift the orbit of the moonlet Dimorphos, it also changed the path of its parent asteroid around the sun.

A 2022 NASA mission changed the orbit of the asteroid Dimorphos around its companion. New data shows their joint orbit around ...

New data about the DART spacecraft’s effects adds evidence that Earth could be defended from future deadly asteroids by ...

Overall, Didymos is nearly 200 times more massive than its smaller companion, which explains why shifting the larger asteroid ...

The largest-ever communications satellite of its kind took a major step toward operation Tuesday: operator AST SpaceMobile announced the record-breaking spacecraft, whimsically called BlueBird 6, has ...

WASHINGTON — Developers of wildfire-detection satellites are moving beyond raw data delivery, adding tools that show firefighters and researchers when satellites will actually pass over the areas they ...

At the start of the year, Earth will quietly reach a milestone in its orbit around the sun. Known as perihelion, this is the moment when our planet is closer to the sun than at any other point in the ...

For nearly 20 years, physicists and engineers have chased the idea of invisibility. Early efforts focused on hiding objects from light using so-called metamaterials with extreme and often unrealistic ...

A collision would occur in just 2.8 days if all satellites lost their ability to dodge each other, highlighting how crowded Earth’s orbit is becoming. In the past seven years, the number of satellites ...