The Earth formed over 4.6 billion years ago out of a mixture of dust and gas around the young sun. It grew larger thanks to countless collisions between dust particles, asteroids, and other growing ...

Look at how the Earth's tilt changes how much sunlight the northern hemisphere receives. The Moon is always a sphere but you may have seen different shapes of Moon in the sky. These are called the ...

It’s widely believed that Earth’s moon is 4.35 billion years old, an estimated age based on lunar samples brought back to ...

In December 2024, a rare celestial event known as the Black Moon will occur, marking the second new moon in a single month.

It's been a busy week for asteroid watchers. A car-sized asteroid will pass at about half the distance between Earth and the moon tonight (Dec. 6), concluding a busy week for asteroid watchers all ...

An asteroid large enough to destroy a city has passed between the orbits of the Earth and the Moon - luckily for us, missing both. The object, named 2023 DZ2, was discovered a month ago.

Starting next week, the moon, Earth’s closest celestial body, will be joined by a new neighbor: a second moon. From Sept. 29 ...

Earth will temporarily get a second moon next week when a tiny asteroid begins its two month orbit around the planet, though ...