What To Know The asteroid, known as 2024 YR4, was first detected on December 27, 2024, and is between 130 to 300 feet wide, NASA's risk list of near-Earth objects shows.

The asteroid 2024 PT5 will leave Earth on Nov. 25 before Thanksgiving after visiting as a second moon, but new analysis shows it may have been born from our original moon and thus from Earth.

NASA has succeeded in bringing back to Earth a capsule containing samples gathered from an asteroid -- a first for the space agency. The sample return capsule (SRC) from the OSIRIS-REx mission ...

An asteroid called 2020 CD3 was bound to Earth for several years before leaving the planet's orbit in 2020 and another called 2022 NX1 became a mini-moon of Earth in 1981 and 2022 and will return ...

An Arjuna asteroid will become a "mini-moon" event for nearly two months starting Sept. 29, according to a study published in the journal Research Notes of the American Astronomical Society.