Earlier research held that meteorite impacts from the solar system's early days were a major source of Earth's water.

Earth’s atmosphere is slowly leaking into space, and new research shows some of it reaches the Moon, where it may be ...

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This coincided with the Late Heavy Bombardment (ca. 4.1 to 3.8 billion years ago), a ...

Astronomers discovered a "quasi-satellite" of Earth, also known as a "quasi-moon," dubbed 2025 PN7 in 2025. NASA told Snopes that 2025 PN7 has been in its current configuration "since at least the ...

For the 1st time in the history of the International Space Station, an astronaut experienced a health issue that required ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

NASA’s upcoming Artemis II flight will be the first crewed lunar mission in over 50 years, but it will not land on the moon. Here’s why.

On Earth, deep-sea vents may have given rise to the planet’s first life. But nothing of the sort seems to be happening at the ...

Despite its small size, Mars seems to have a huge impact on the orbital cycles that govern Earth’s climate, especially those ...

Even most rocket scientists would rather avoid hard math when they don't have to do it. So when it comes to figuring out orbits in complex three-body systems, like those in cis-lunar space, which is ...