In December 2024, astronomers in Chile spotted a new asteroid streaking through the sky, which they named 2024 YR4. What’s significant about this 100m-wide space rock is that it has a small chance of ...

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about ...

The Hera probe has swung around Mars, using the planet’s gravitational pull to fling itself toward its asteroid target.

YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...

Images from the Hera mission show the object in remarkable detail — a small island gliding above the crater-scarred Martian ...

The results of Hera's flyby could ultimately tell us whether Deimos is a captured asteroid or made from debris from a giant ...

Astronomers believe thousands of large undiscovered asteroids, that could cause regional damage, may be in space.

For an hour, HERA flew as close as 5,600 kilometers from the Martian surface, at a speed of 33,480 kilometers an hour. It ...

The asteroid, 2024 YR4, was detected by UH’s Asteroid Terrestrial-impact Last Alert System (ATLAS) and given a 3% probability ...

A space probe named Hera captured images of Mars' small Deimos moon while on a mission to examine an asteroid.