The celestial object is more than just a guest staying over for a quick visit. It's here to stay, or at least until ...

DART's goal was to examine how well a planetary defense strategy in moving a threatening space rock away from Earth. Hera will examine the collision from a nearby vantage point, providing a different ...

"Asteroids and comets with a perihelion distance (closest to the Sun) less than 1.3 astronomical units (AU), or approximately ...

The European Space Agency's Hera asteroid mission has beamed back its first images from space, capturing a stunning view of Earth and the moon. The Hera spacecraft successfully launched toward the ...

As ESA's Hera mission for planetary defense departed its homeworld, it looked back to Earth to show the moon orbiting around ...

A 200-foot (58 meters) wide asteroid is set to fly much closer to our planet than the distance to the moon this Saturday. While asteroid 2023 DZ2 poses no threat of impacting Earth during this ...

This additional moon is a near-Earth asteroid called 2016 HO3, or Kamo'oalewa, which means "oscillating celestial object" in ...

It's here to stay, or at least until Thanksgiving week. But it's not a moon. In fact, it's an asteroid named 2024 PT5. It entered Earth's orbit on Sept. 29 and will be taking up residency in our ...

While the origins of these asteroids aren’t completely known, scientists believe at least one may have come from the Moon. The asteroid known as Kamo`oalewa is believed to be a fragment of the ...

The moon will soon have a companion in Earth's orbit for a limited time. An Arjuna asteroid will become a "mini-moon" event for nearly two months starting Sept. 29, according to a study published ...

Scientists first caught sight of the mini-moon while observing an asteroid named Polymele, near the outskirts of the solar system. NASA says that the asteroid is around 17 miles along its widest axis.