Underneath the icy, rocky surface of asteroids – such as the 16 Psyche which is about 124 miles wide – there’s an estimated ...

When a celestial body, such as a moon, planet or an asteroid passes in front of another celestial body, blocking its view, we call that an occultation. The word is derived from the Latin occultäre, to ...

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 ...

A new European Space Agency mission is set to study asteroid Apophis to learn more about how we can handle asteroid threats ...

A close flyby of an asteroid as large as Apophis happens only once every 5,000 to 10,000 years. Scientists plan to learn all they can.

Some asteroids are substantial enough to possess their own moons. In 1993, the Galileo spacecraft made the groundbreaking discovery of the first asteroid moon. The S-type asteroid Ida has a moon ...

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 ...

The controlled impact of NASA's DART spacecraft on 26 September 2022 brought the asteroid moon closer to Didymos, shortening the moonlet’s orbital period by 32 minutes to 11 hours 23 minutes. The Hera ...

This asteroid is due to zoom past the Earth on October 28, passing us at a distance of about 148,000 miles, which is closer to our planet than the moon. This may sound like an immense distance ...

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 asteroid will pass the earth from a distance of 4,520,000 kilometres which is 11 times the distance between the Earth and the Moon. The asteroid is classified as a "potentially hazardous asteroid" ...