While mapping the nearby universe, astronomers discovered the largest-known structure in the universe, about 425 million to ...

Blue Ghost will spend the next 16 days in lunar orbit, if all goes to plan. It will conduct additional engine burns to circularize its path around Earth's nearest neighbor, then attempt a landing in ...

Firefly Aerospace 's moon-bound spacecraft has provided the closest thing to a reflecting pool in space, showing Earth as an ...