A new image from the James Webb Space Telescope captures one of the universe's most dramatic events: the colliding of two galaxies.

Earlier this month, the European Space Agency (ESA) launched its newest Earth-observation satellite, known as Copernicus Sentinel-2C.

Two NASA astronauts have spoken publicly for the first time since the Boeing Starliner departed from the International Space Station without them.

A gorgeous new image from the James Webb Space Telescope shows a bustling region of star formation at the distant edge of the Milky Way.

Two private astronauts have completed the first-ever commercial spacewalk, marking the first time that civilian astronauts have stepped out into space.

Researchers recently presented a stunning cloud atlas of Mars: a database containing 20 years' worth of images of clouds and storms observed on the red planet.

The historic SpaceX Polaris Dawn mission, which includes the first-ever commercial spacewalk, will launch tonight from NASA’s Kennedy Space Center in Florida.

The European Space Agency's BepiColombo spacecraft recently made a close flyby of Mercury, and it snapped some stunning pictures along the way.

After an unexpected three months spent in orbit, the Boeing Starliner spacecraft has returned safely to Earth.

The troubled Boeing Starliner will depart from the International Space Station (ISS) tonight, traveling back to Earth without its crew. Here's how to watch.

Europe has launched its Vega rocket for the last time, on a mission to carry the Earth-observation Copernicus Sentinel-2C satellite into orbit.

An incredible new video taken by an astronaut aboard the International Space Station shows a meteor exploding as it hits the planet's atmosphere.

Boeing's troubled Starliner spacecraft is set to depart from the International Space Station on Friday, September 6.

Intuitive Machines, which managed the first lunar landing by a commercial entity, will be returning to the moon with more NASA payloads in 2027.

Webb has stumbled across a question mark-shaped galaxy, and the reasons for its uniqueness reveal how the telescope looks at some of the most distant galaxies.

Webb has been causing bafflement in the field of cosmology. But the problem isn't that the universe is broken — it's that early black holes were playing tricks.

NASA has released a new set of sonifications from some historic images taken by the venerable Chandra X-ray Observatory.

The Event Horizon Telescope, which took the first-ever image of a black hole, has made the highest-ever resolution observations taken from the Earth's surface.

The European Space Agency's Juice spacecraft recently made a flyby of both Earth and the moon on its way to Jupiter, and it took some gorgeous images.

Several institutions are sending experiments into orbit as part of the SpaceX Polaris Dawn mission, including investigations into human health in space.

NASA is continuing work on another key piece of space infrastructure: its Space Launch System.

Two NASA astronauts stuck in orbit for over two months after their Boeing Starliner spacecraft developed a fault will return to Earth in a SpaceX Dragon craft.

It's now been more than two months since the Boeing Starliner launched on what was supposed to be a one-week mission. NASA will provide an update tomorrow.

Citizen scientists have spotted an object that is traveling at such a speed that it will shoot out of the Milky Way and head out into intergalactic space.

The Juice spacecraft swung back home on its way to Jupiter and used both Earth and the moon's gravity to slingshot it forward, in the first lunar-Earth flyby.

The Cold Atom Lab on the International Space Station has made use of atom interferometry in space to detect environmental changes.

The Perseverance rover on Mars is set to begin its newest challenge: a slog up the rim of the Jezero Crater that will take months to complete.

While most often used to drill for oil on Earth, BP has entered an agreement with NASA that could see its technology used to drill for resources on the moon.

Lunar scientists were shocked when NASA announced that it was canceling work on its moon rover VIPER. Now, the mission may have the chance to go ahead.

Researchers have identified what they believe could be oceans' worth of water on Mars. There's just one snag: it's deep underground.

A new image from the James Webb Space Telescope shows off a nearby galaxy called Messier 106.

Fifteen years after a launch that was intended to begin just a seven-month mission, NASA's NEOWISE spacecraft has finally shut down.

This weekend will see the peak of one of the most spectacular meteor showers of the year: the Perseids.

New data about binary asteroids comes from ESA's Gaia mission, a space-based telescope which has spotted new potential moons around 350 asteroids.

NASA previously said it was focused on getting the astronauts home using the Starliner. But the agency is now considering using a different vehicle.

NASA has revealed the four astronauts who will make up Crew-10. They will launch to the ISS next year, around February 2025.

A pair of new Hubble images show small dwarf galaxies, one of which is thought to be the result of a historical merger.

On Saturday, NASA, SpaceX, and Northrop Grumman are launching a resupply mission to the International Space Station loaded up with scientific experiments.