Amazon plans to launch its initial Leo satellite internet service later this year after placing nearly 400 satellites into orbit, setting up a bigger challenge to SpaceX's Starlink.

NASA has awarded $590 million in contracts to Astrobotic, Firefly, and Intuitive Machines to deliver landers and cargo to the Moon as part of its $30 billion Moon Base program.

NASA's Marshall Space Flight Center ran liquid nitrogen through L3Harris's cryocoupler at negative 321 degrees Fahrenheit.

SpaceX may be preparing its boldest Starlink expansion yet. Instead of just supporting mobile carriers, it could soon become one, and that could shake up the entire wireless industry.

A new study suggests laser-driven interstellar lightsails may face a hidden efficiency problem as the very light pushing them starts behaving less helpfully.

NASA’s proposed EVE mission would study young exoplanets to help explain why the galaxy has so few worlds sitting between super-Earths and sub-Neptunes.

Astronauts aboard the ISS reportedly took precautionary shelter measures after repair work on Russia’s long-troubled Zvezda module raised fresh concerns about air leaks.

In microgravity, legs do not do much. Orbit Robotics’ Helios replaces them with four arms built for movement and station work.

SpaceX’s first human trip toward Mars could be led by Chun Wang, a crypto billionaire with one private astronaut mission already behind him.

Elon Musk’s SpaceX compensation plan could unlock a massive stock award if the company reaches a huge valuation and builds a million-person Mars colony.

A new study suggests the Milky Way consumed an ancient dwarf galaxy billions of years ago, and its stellar remains may still be embedded within ours.

NASA is aiming for an early September 2026 launch of the Roman Space Telescope, a powerful new observatory that could transform astronomy with massive infrared sky surveys, huge data returns, and faster follow-up discoveries.

Blue Origin successfully reused its New Glenn rocket for the first time, marking progress in reusability - though a payload issue shows there’s still work ahead.

On its first crewed flight, NASA's lunar rocket displays its awesome power.

The Orion spacecraft's final moments before splashdown will be the most perilous of the entire mission.

The Artemis II crew are now on their way home, so let's take a look at the mission's achievements so far.

The latest jaw-dropping image from NASA's crewed mission shows a tiny Earth surrounded by the inky blackness of space.

NASA explains why astronauts use older tech in space missions, prioritizing reliability, testing, and cost over cutting-edge hardware.

After a day in Earth orbit, the spacecraft just executed a critical burn.

NASA’s Artemis II mission is already pretty historic as the agency’s first crewed journey around the moon in more than half a century. But tucked inside all the big-picture lunar ambition is a much more grounded milestone, with astronauts finally getting a toilet that does not sound like a hassle. This may not be the […]

The SLS rocket and four crew members blasted off the launchpad on Wednesday evening.

Four astronauts are about to spend 10 days flying to the moon and back in a small spacecraft. So what will they eat during their epic voyage?

A rocket carrying four astronauts is set to blast off this week.

We're only days away from the first crewed Artemis mission!

'It's the one place we can go during the mission where we can actually feel like we’re alone.'

The coverage starts on Friday.