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

ESA astronaut Sławosz Uznański-Wiśniewski has released breathtaking timelapse footage of Earth and the Moon, captured during ...

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

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

According to observations of young ridges see on the far side, Earth's moon is not geologically dead, as previously believed.

Crystals hidden in Australia’s oldest rocks have revealed new clues about how Earth and the Moon formed. The study suggests ...

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