Caitlin O'Kane is a New York City journalist who works on the CBS News social media team as a senior manager of content and production. She writes about a variety of topics and produces "The Uplift," ...

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 ...

Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary companions. These "quasi-moons" are small asteroids that enter into a kind ...

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 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Earth is about to ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. An image of the moon taken by NASA's Lunar Reconnaissance ...