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Rocket Lab may be able to send a small spacecraft to probe the clouds of Venus long before NASA or other space agencies are able to do so.

The F.C.C. approved the company’s 3,236-satellite constellation, which aims to provide high-speed internet service around the world.

Bob Behnken and Doug Hurley returned to Earth in the first water landing by an American space crew since 1975.

The launch of the Hope orbiter was delayed because of weather. The mission’s goal is to make contributions to research on the red planet. But the Emirati government really hopes it will inspire future scientists.

The agency identified the causes of mishaps in orbit during an uncrewed test flight of its Starliner spacecraft in December.

Researchers enlisted quantum physics to send a “secret key” for encrypting and decrypting messages between two stations 700 miles apart.

There are about a septillion stars in the observable universe. You can bring a fraction into your home — which is more than enough.

Astrobotic, a Pittsburgh company, won a $199.5 million contract to transport NASA’s VIPER rover to the lunar surface.

Bob Behnken and Doug Hurley could stay in orbit for months to aid the station’s short-staffed crew.

The trip to the space station was the first from American soil since 2011 when the space shuttles were retired.

Here’s what you need to know about Saturday’s second launch attempt of NASA astronauts in the Crew Dragon spacecraft.

If NASA’s new 2020 missions have inspired an interest in science and celestial objects, these apps and sites can open a whole new batch of worlds.

A successful launch on Wednesday could forever change how the world thinks about getting people to space.

The company, founded by Richard Branson, had hoped to show that it can send small satellites to orbit from virtually anywhere.

The agency confirmed its mission was proceeding smoothly, but made the announcement amid the puzzling departure of a top NASA official.

A choreography of swimming, walking and rolling could help future rovers avoid getting stuck in loose soil on the moon or Mars.