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 ...

The moon was formed 4.5 billion years ago in a "giant impact" that left Earth with a two-hour day, according to new research. Scientists have long debated the circumstances which led to the formation ...

The moon's orbit isn't a perfect circle. Instead, it's more stretched out, kind of like an oval, which means its distance from Earth varies by about 30,000 miles (48,000 km). The surface of the moon ...

Though decades have passed since the Space Race took place, Earth’s moon remains the only place beyond our planet where humans have set foot. As the brightest and largest object in our night sky, the ...

In the summer of 2024, a robotic mission landed for the first time on the far side of the Moon. The Chinese Chang’e-6 lander planted a flag, dug up more than four pounds of rock and soil, and brought ...

The Moon likely formed from a giant impact with a sister planet, influencing Earth’s seasons and habitability.

In the summer of 2024, a robotic mission landed for the first time on the far side of the Moon. The Chinese Chang’e-6 lander planted a flag, dug up more than four pounds of rock and soil, and brought ...

Planetary scientist Adeene Denton runs computer simulations to investigate Pluto, the moons of Saturn and other icy bodies in the solar system.

Even though humans have pondered the moon since the first of us looked skyward, there is still much we still don’t know about it. One of these unsolved questions is its origin story. We think the moon ...

We preselected all newsletters you had before unsubscribing.

(CNN) — About 3.8 billion years ago, two massive canyons likely formed on the moon in a span of less than 10 minutes, according to new research. The extraordinary formations, each comparable in size ...