Researchers believe the “quasi-satellite” has accompanied Earth since 1957.

Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the ...

What if our Moon had a twin? Seeing not just one, but two of these satellites in the night sky might be spectacular. Let’s assume our second moon would be around 1,000 km (620 miles) wide and about ...

We now have direct images of two supermassive black holes: M87* and Sag A*. The fact that we can capture such images is ...

A new study reveals that tiny fragments of Earth's atmosphere are transported to and absorbed by the moon via gusts of solar wind and our planet's magnetic field, upending a 20-year-old theory based ...

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that led to biology, or when the first primitive life forms appeared. But what ...

The medical evacuation of SpaceX's Crew-11 astronauts from the International Space Station shouldn't interfere with Artemis 2 ...

Seán Jordan does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

A new study suggests lunar soil contains elements that solar wind transported to the moon from Earth’s atmosphere, solving a ...

Methane released in exhaust could move from one lunar pole to the other in less than two lunar days, with roughly half of it eventually depositing in areas that may preserve the original chemical ...

2026 is shaping up to be a potentially game-changing year for IPOs.