Astronomy

The diffuse

"Your Artemis 2 crew accepts the challenge," the astronauts said.

McArthur launched on two spaceflights, logging 213 days in orbit across her nearly 25 years, and held leadership positions at NASA's Johnson Space Center in Houston.

The satellite will be used by Israel's military to collect visual intelligence throughout the Middle East region.

India continues to refine the hardware and recovery procedures for its Gaganyaan human spaceflight program.

The post-golden hour launch ascended through bright blue morning skies.

The Soroya Ridge was the recent destination in NASA's Perseverance rover's journey to explore the landscape of Mars.

It was the 109th Falcon 9 mission of the year.

"We love Alabama. I only won it by about 47 points. I don't think that influenced my decision, right?"

Magnets could make bulky centrifuges obsolete in space oxygen systems.

Aboard the International Space Station, astronauts use creativity and culture to make life in orbit feel a little more like home.

"Since I landed in Lucknow around 7:30 this morning, I must have clicked about 2,000 selfies."

Today, NASA recovers over 90% of the water used in space.

SpaceX's Starship spacecraft will soon get a few more Raptor rocket engines than it had before.

NASA is using Colorado's rugged peaks to rehearse the risky final moments of future Artemis lunar landings.

The U.K. government's decision to eliminate the nation's space agency didn't come as a surprise to insiders.

A new concept for a next generation space telescope could provide an affordable breakthrough in the hunt for Earth's twin.

Think you know Pluto? From icy plains to planetary debates, this quiz dives deep into the mysteries of our solar system’s most controversial—and captivating—dwarf planet.

Jupiter, Venus and Mercury move into line formation predawn on Sept. 1