Earth, sun, moon: three objects in space whose interactions have a pretty big impact on our lives. Earth orbits the sun once a year, and it rotates on its axis about once a day (depending on your ...

Historical observations of the Moon's motion, dating back to ancient civilizations, played a crucial role in the development of timekeeping and calendar systems. The Moon's orbital cycle can be ...

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles within this cloud collided and clumped together, driven by gravity and ...

A temporary “mini-moon” orbiting the Earth for the last two months drifted away on Tuesday, resuming its journey around the Sun. The 10m-wide asteroid dubbed 2024 PT5 had been circling the Earth since ...

CAPE CANAVERAL, Fla. — The moon and sun share top billing in 2026. Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a caravan ...

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 ...