Japan's Hayabusa2 mission is headed home from an asteroid called Ryugu, carrying a very special delivery of space rock, but Earth may not be the spacecraft's final destination.
For a few months in 2018, as NASA's Dawn spacecraft used up its last drops of fuel, it gave scientists an incredibly detailed look at one of the strangest places in the solar system: Occator Crater.
Scientists have discovered what they believe may be the largest impact crater in the entire solar system, with scars covering a vast portion of Jupiter's huge moon, Ganymede.
What if, when the U.S. went to the moon in the 1960s, it never stopped — not by choice but in desperation, as a time bomb of climate change ticked away?
Early Mars may not have been quite the warm, wet paradise scientists have hoped for — not if the valleys scarring its surface work the same way as their counterparts here on Earth do.
A relieved SpaceX CEO Elon Musk welcomed home the first NASA astronauts to fly to space on his company's Crew Dragon vehicle.
Spaceflight tends to disagree with the human body, and two astronauts looking to return to Earth this weekend are prepared for the possibility their stomachs may revolt at the harsh treatment.
After a busy two months in space, the first two NASA astronauts to visit the space station aboard a commercial vehicle are ready to come back to Earth — if the weather cooperates.
A weird long cloud has formed so many times over the same Martian volcano that scientists have given up and named it.
NASA's Mars 2020 Perseverance rover entered "safe mode" after a successful launch Thursday (July 30), but should recover, NASA says.
A spacecraft is only as strong as its power source, which is why when NASA was designing its Perseverance Mars rover, the agency turned to radioactive plutonium.
A Mars orbiter run by the European Space Agency (ESA) has sniffed out two never-before-seen chemical signatures in the Red Planet's atmosphere.
An observatory affiliated with NASA's quest to identify potentially dangerous asteroids spotted something equally speedy but not quite as natural: a spacecraft bound for Mars.
Can't get enough of summer? Saturn's northern hemisphere is also in the throes of the season, and the Hubble Space Telescope has captured a stunning new photo of the ringed planet to celebrate.
NASA's Perseverance Mars rover is ready to roll on the surface of the Red Planet now that its nuclear power source has been installed.
Five astronauts living in space are preparing to welcome a new shipment of supplies after an evening launch from Kazakhstan of an uncrewed Progress cargo vehicle.
Life on Earth can seem pretty hazardous, but if you ask astrophysicist Paul Sutter, it's still safer than anywhere else in the universe.
The United Arab Emirates is on its way to Mars, claiming the title of first Arab country to launch an interplanetary mission, which it designed and built in just six years and dubbed Hope.
On the 51st anniversary of the Apollo 11 moon landing, the Google doodle program chose to commemorate the scientific legacy of Turkish astrophysicist Dilhan Eryurt.
A mission called Hope, the Arab region's first attempt to go interplanetary, is now on its way to Mars.
The United Arab Emirates is sending a spacecraft called Hope to Mars in what will, if successful, become the first interplanetary mission based out of the Arab region.
What does it mean when a black hole suddenly stops gobbling up gas completely — and then just as suddenly starts again, hungrier than ever?
It took just one round of photographs from a new solar science spacecraft for scientists to learn something new about the sun.