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For the next two months, the moon will have a temporary companion in its orbit around the Earth. A small asteroid, called a “mini-moon,” will partially circle the Earth before returning on an ...

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 ...

Tonight's First Quarter Moon coincides with lunar apogee, placing the moon at its greatest distance from Earth this month. Here's what the September 18, 2026 moon phase means, how to see it, and what ...

The hits from Firefly Aerospace’s Blue Ghost mission to the moon keep coming, as just days after sharing gorgeous images of Earth seen from space, the spacecraft has now captured incredible footage of ...