Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Plate tectonics may have ...

Earth’s molten iron core unexpectedly reversed direction beneath the Pacific, revealing a dramatic change in the hidden ...

Add Yahoo as a preferred source to see more of our stories on Google. The sun shines above the Earth’s horizon. Perihelion, the point when Earth is closest to the Sun, occurs annually in early January ...

Why do some planets have moons and some don’t? – Siddharth, age 6, Texas On Earth, you can look up at night and see the Moon shining bright from hundreds of thousands of miles away. But if you went to ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This article is more than 2 years old. “Dark comets” are ...

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 ...