NASA has laid out the principles through which it will operate its Artemis program to return astronauts to the moon in document called the Artemis Accords.
The Mars Express orbiter has captured an image of the Martian surface showing deep valleys and tall ridges formed by activity beneath the planet's surface.
SpaceX is canceling its planned Starlink launch due to tropical storm Arthur and will continue launching after the Demo-2 mission, scheduled for May 27.
SpaceX plans to launch its new Crew Dragon capsule for its first crewed mission to the ISS on Saturday, May 30. Here's how to watch the historic event live.
Our sun is a dynamic system, and NASA's Solar Dynamics Observatory recently spotted the largest solar flare seen since 2017 which may be signaling a change.
After delaying the first crewed test flight of the Crew Dragon capsule, SpaceX and NASA are watching the weather to see whether they'll be able to launch today.
NASA and SpaceX have achieved a milestone in American spaceflight, launching two astronauts in the first crewed test flight of the Crew Dragon capsule.
The European Space Agency's Solar Orbiter spacecraft will soon have a fortuitous encounter, passing through the tail of an intriguing object, comet ATLAS.
NASA astronauts Bob Behnken and Doug Hurley have completed the 19-hour journey to the ISS as part of the first crewed test flight of the Crew Dragon capsule.
Saturn may be the planet most famous for its beautiful rings, but new research suggests that millions of years ago, Mars could have also had rings of its own.
NASA's InSight lander has struggled to breach the Martian surface with its self-hammering heat probe, or mole, for over a year. But now progress has been made.
NASA's Bob Behnken and Doug Hurley made history last week in their test flight, and they're already being put to work on the ISS's science experiments.
The European Space Agency (ESA) has announced that it's developing its own reusable rocket engine, the Prometheus, to fit European rockets like the Ariane 6.
If you've ever wondered how a robot would go about collecting a sample from another planet, NASA has shared more information about how the process works.
NASA has announced it is awarding an $187 million contract to Northrop Grumman to design the habitation and logistics outpost (HALO) for the Gateway station.
NASA's ASTERIA satellite wasn't originally intended to do science but it still managed to spot the exoplanet 55 Cancri e, roughly twice the size of Earth.
Astronomers from Max Planck Institute for Solar System Research have located a planet and star more similar to Earth and our sun than any pair found before.
A new study paints an unexpected picture of strange, high energy cosmic bursts called fast radio bursts, finding one that repeats in a 157-day pattern.
NASA wants the public's help with mapping out the terrain on the surface of Mars, to assist in driving rovers like the Curiosity rover around the red planet.
SpaceX has successfully launched its latest batch of satellites for its Starlink program, as well as three satellites from Earth imaging company Planet Labs.
NASA has announced that space robotics company Astrobotic has been awarded a $199.5 million contract to transport the agency's newest lunar rover to the moon.
NASA has proposed sending a spacecraft to Neptune's moon Triton, to learn more about this body which hasn't been visited since Voyager 2 flew by 30 years ago.
There's just one month to go until the launch of NASA's Perseverance rover, which will land on Mars to search for evidence of ancient life on the planet.
Using the new eROSITA X-ray telescope, scientists have created a beautiful image showing the deepest ever view of the sky as seen in the X-ray wavelength.
New images from the Hubble Space Telescope show two beautiful and unusually dusty planetary nebulae, known as the Butterfly Nebula and the Jewel Bug Nebula.
NASA and the European Space Agency are planning to send another rover in Perseverance's footsteps to collect up the samples from Mars and bring them to Earth.
Planets with liquid oceans may be common in our galaxy, according to new research, enlarging the pool of potentially habitable exoplanets for us to explore.
Space tourism company Virgin Galactic could soon be offering private flights to the International Space Station (ISS) as part of a partnership with NASA.
Virgin Galactic has performed a second test flight of its SpaceShipTwo spacecraft from Spaceport America, from where it will offer suborbital tourist trips.
The launch of NASA's Perseverance rover has been pushed back by two days to July 22, due to an issue related to contamination of ground support equipment.
NASA is making progress in the development of its troubled Space Launch System (SLS), completing its structural testing with a liquid oxygen tank test.
NASA's new robot concept would be the size of a soccer ball, with instruments held in the center of a metal cage, and it would use steam-powered thrusters.
New research suggests when two black holes collide, not only do these epic collisions give off gravitational waves, but they may also explode with light.
Astronomers recently discovered a Nepune-sized planet orbiting the baby star AU Mic, which could teach us more about how planetary systems form and develop.