A NASA spacecraft originally built as part of the previous effort to return humans to the moon is now playing a key role in the new effort at human lunar return, including aiding commercial landers.
NASA's Mars InSight lander has settled into its new home on Elysium Planitia and is preparing to deploy its instruments — and if all goes well, one device's work should be complete by March.
Magnets and the magnetic force are ubiquitous in our everyday lives, helping to guide us in unfamiliar territory and attach our kids' artwork to the fridge.
Any modern person who spends time on the internet is familiar with the basic principles of cybersecurity — but imagine you're in charge of a satellite that people around the globe rely on.
From the mighty Saturn 5 to NASA's new Space Launch System, see how the biggest rockets on Earth compare.
The botched launch of two global-positioning satellites four years ago has proven to be a real gift to physicists.
The BepiColombo mission to Mercury that left Earth on Oct. 19 has a long journey ahead of it, but the spacecraft just ticked off an important milestone.
Particles: Breathe easy. Scientists at the world's largest particle collider have no plans to smash you together until spring 2021.
Spaceflight favors big rockets and small technology — but when that technology gets small enough, it may act very differently from traditional satellites and spacecraft.
SpaceX didn't manage to catch the rocket nose cone that fell back to Earth during Monday's epic launch, but the company plans to reuse the $6 million piece of equipment anyway.
What happens when you cross a blimp with a plane, and give it a few helicopter abilities? A lighter-than-air plimp-hybrid airship is born, according to a Seattle-based company looking for investors.
NASA's pair of Mars Cube One satellites have broken every record in their path — and now, MarCO-B has become the first small satellite to capture a stunning farewell portrait of another planet.