Today's spacewalk by two NASA astronauts had to be called off early when one astronaut's spacesuit experienced a water leak shortly after opening the hatch.
Having suffered through a tricky glitch, the incredible Voyager 1 spacecraft is now back to operations, with data coming in from all four of its instruments.
If we ever want to send people to visit the red planet, we're going to need to learn more about radiation and how it's affected by events like solar storms.
New research that was conducted on the four civilian astronauts of the Inspiration4 mission shows the effects of short-duration spaceflight on the human body.
A new video from the European Space Agency (ESA) was constructed using data from the Mars Express mission and shows a flyover of Mars's Nili Fossae trenches.
NASA has launched the first part of a two-satellite mission called PREFIRE to study Earth's poles, with the second satellite set to launch this Saturday.
The European Space Agency will launch a satellite called EarthCARE to observe clouds and aerosols in the atmosphere tonight. Here's how to watch the launch.
New images from the European Space Agency's Euclid telescope show a range of cosmic objects, from bustling stellar nurseries to enormous galaxy clusters.
NASA's Psyche mission is on its way to visit a metal asteroid between Mars and Jupiter, and it recently kicked on its new blue-glowing electric thrusters.
NASA had been hoping to perform the first crewed launch of the troubled Boeing Starliner capsule this weekend, but now the launch has once again been delayed.
NASA's Juno mission has imaged Jupiter's intriguing moon Europa, a top target of habitability research due to its liquid water ocean beneath a thick icy crust.
The most dramatic solar storm in decades wasn't only notable for the gorgeous colors seen in the sky -- it's also a way for scientists to learn about the sun.