They orbit Mars in unique ways, raising intriguing questions about their origins and the role they play in the planet’s ...

In a rare astronomical event, Earth is set to capture a temporary moon between September 29 and November 25. The new addition, designated as 2024 PT₅, is an asteroid originating from the Arjuna ...

The first mini-moon attracted by Earth was Asteroid 2022 NX1, which is 5 to 15 meters in size. Researchers have determined ...

The moon's diameter of about 2,160 miles (3,475 km) is a bit more than a quarter of Earth's diameter. The lunar mantle is the layer located beneath the crust and above the core, spanning a depth ...

When you learn about the moon in school, you’re generally taught that its gravity is insufficient to capture and retain any significant atmosphere. The moon is nonetheless surrounded by a thin ...

By orbiting the moon last April, Russia's Luna 10 achieved a first that the U.S. is striving to match. The Soviet spacecraft apparently lacked photographic equipment, and the U.S. now aims to ...

The moon's insides are crooked thanks to the near side being some 306 degrees Fahrenheit hotter at depth than its counterpart on the lunar far side.. This is the conclusion of an international ...

This "kiss and capture" mechanism offers a fresh perspective on planetary formation, particularly about Pluto and its largest moon Charon.

Stock image of the moon. Our leading theory as to how the moon formed may be wrong, scientists reveal. ISTOCK / GETTY IMAGES PLUS. At the Kona Conference in Hawaii in 1984, planetary scientists ...

In the 1950s, the Cold War sparked a race to visit Earth's moon with flybys, robots, and crewed missions. Here's what we discovered—and what's next.

The moon's diameter of about 2,160 miles (3,475 km) is a bit more than a quarter of Earth's diameter. The lunar mantle is the layer located beneath the crust and above the core, spanning a depth ...