The Opportunity rover's silent stretch on Mars has now reached four months.
A few months from now, the International Space Station (ISS) could be unoccupied for the first time in nearly two decades.
A huge haul of newfound fast radio bursts (FRBs) may help astronomers finally start to get a handle on these mysterious and powerful blasts from deep space.
Exploring the tropics of Jupiter's ocean moon Europa would be no walk on the beach.
Scientists may have bagged the first-ever exomoon.
NASA's Curiosity Mars rover noticed this summer's monster dust storm fairly early on — but not in the way you might expect.
An ambitious, student-run hunt for intelligent aliens is underway.
A Japanese company that aims to help humanity explore and settle the moon will fly its first two lunar missions with SpaceX.
Don't sleep on NASA's New Horizons spacecraft.
It's still unclear exactly what's ailing NASA's Curiosity Mars rover , but mission team members are optimistic they can get the six-wheeled robot up and running again.
SpaceX's Mars-colonizing Big Falcon Rocket (BFR) spaceflight system just went through a growth spurt.
A Japanese billionaire and a coterie of artists will visit the moon as early as 2023, becoming the first private citizens ever to fly beyond low-Earth orbit, SpaceX CEO Elon Musk announced tonight.
The water sloshing in Earth's oceans and coursing through its canyons may have been with the planet since it first started taking shape, new research suggests.
The northern lights just got a boost thanks to a big hole in the sun's atmosphere, and there could be something of a repeat showing tonight.
If you know your way around a chemistry lab, you could help humanity set up shop on Mars — and make some serious cash in the process.
The dramatic neutron-star merger that astronomers spotted last year generated a jet of material that seemed to move at four times the speed of light, a new study reports.
MOFFETT FIELD, Calif. — Sending humans back to the moon won't require a big Apollo-style budget boost, NASA Administrator Jim Bridenstine said.
Protecting Earth from dangerous space rocks might require a little asteroid-on-asteroid violence.
We now know where a Japanese asteroid-sampling probe's lander will touch down this October.
Don't worry: NASA's Mars rover Curiosity isn't falling apart.