The total number of quasi-satellites of our planet has gone up by one. There are now 8 small asteroids going around the Sun ...

2025-PN7 is around 62 feet (19 meters) wide, and it’s between 2.8 million miles and 37.2 million miles away from Earth. It ...

Earth asteroid lurked undetected for decades until a telescope in Hawaii spotted it earlier this year. It may be Earth's ...

Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary ...

The asteroid known as 2024 YR4 is out of sight yet still very much on scientists’ minds. The building-sized object, which initially appeared to be on a potential collision course with Earth, is ...

"The profile of the occultation was most consistent with it being a new satellite — a new moon — going around Quaoar." ...

Changes to space policies and projects indicate an administration’s bigger goals, writes Joelle Renstrom. Which is why the ...

A high-precision time measurement system based on the radioactive decay of manganese-53 was used to determine the precise age ...