Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Why can’t we feel the Earth moving? – Dave H., ...

Earth’s path around the Sun is not a fixed racetrack but a slowly shifting orbit, and those subtle changes have a long history of reshaping the planet’s climate. As astronomers refine how these ...

Humanity’s need to track the Moon's changing phases and motions is ancient. Mammoth hunters used the Moon as a timekeeper, carving crescent-shaped notches into bone and tusk. Sumerian astronomers ...

The object is called 2025 PN7, and it was spotted on Aug. 2, 2025, by the Pan-STARRS telescope in Hawaii. Even though it was just discovered, earlier data shows it's been in this unusual orbit for ...

New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once orbited in mathematical harmony around the infant sun. When you purchase ...