For years, a tiny space rock has been quietly following Earth on its journey around the Sun, hiding in plain sight as one of ...

Watch the moon phases and libration for 2026, as seen from Earth's Northern Hemisphere, in this time-lapsed animation that is ...

The Earth is getting a second moon for a limited time beginning the end of September. An asteroid will come close enough to Earth to temporarily enter its orbit at the end of the month, a phenomenon ...

2024 PT5, Earth’s newest mini-moon, is expected to go into orbit of Earth for a couple of months from Sept. 29, 2024. Update, Oct. 9, 2024: A link to a map of asteroid 2024 PT5’s orbit around the sun ...

Add Yahoo as a preferred source to see more of our stories on Google. An asteroid will be Earth’s second moon for nearly two months. (Mark Garlick/Science Photo Library/Getty Images) Starting today ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A small space rock ...

A tiny asteroid loitering in a near-Earth orbit for a few months last year may have an intriguing origin on our moon. Its characteristics led scientists to ask: is it a chip off the old lunar block, ...