Here's when to see a pair of massive letters shining on the lunar surface around May's first quarter moon phase.

Long before the full moon rises, shifting sunlight transforms the lunar surface into one of the sky's best telescope targets.

Perfecting SpaceX's mammoth rocket will be critical to NASA's plans for returning astronauts to the surface of the moon.

E very now and then on Reddit, somebody asks a fun question that demands an answer. This week it is the turn of user ...

The launch is the 12th test flight of the mega-rocket that CEO Elon Musk is building to get people to Mars one day ...

A Hong Kong astronaut will join a Chinese space mission for the first time as part of a three-person crew launching on Sunday ...

Astronomers have studied 14 years of Hubble Space Telescope observations of Jupiter's icy moon Europa, and now suspect that ...

The route is not built for speed. During Artemis 2, the Orion spacecraft followed a roughly 10-day free-return path, flying ...

The mission will employ a comprehensive exploration approach encompassing orbiting, landing, roving and hopping, Chinese ...

The latest uncrewed launch of Starship, which achieved a key milestone for the vehicle following months of testing delays, ‌could also boost investor confidence ahead of SpaceX's initial public ...

It blasted off from the southern tip of Texas, carrying 20 mock Starlink satellites for release halfway around the world.

SpaceX's colossal Starship rocket system — which topped off at a whopping 407 feet tall — rumbled from remote Starbase at ...