A recent mission atop a Hawaiian volcano shows humans still have much to learn before they set foot on another world.
You’d need an oxygen mask and enough layers to contend with beyond-freezing temperatures, but could leave the sunscreen at home.
The night sky is already dotted with shiny satellites and other artificial lights. One day, maybe that’s all there will be.
The inconspicuous buds might make friendly interactions awkward, but they can also provide protection in dangerous situations.
For the first time, astronomers thought they’d discovered a moon in another solar system. But others weren’t sure it actually existed.
SpaceX and its competitors plan to envelop the planet with thousands of small objects in the next few years.
Certain stars have a history distinct from all the others around them.
Scientists gave a mysterious object a nickname with a dark history. Now they have to decide whether to let it stick.
The administration has asked Congress to fund its Artemis program, a return to the lunar surface.
The Amazon CEO unveiled a sleek-looking lunar lander—and he hopes the White House takes notice.
In a cramped and isolated environment like a space station, leisure activities are extra important for maintaining mental health.
When new cosmic ripples are detected, astronomers leap into action to try to locate their source.
A failed test of the Dragon spacecraft could derail plans to launch NASA astronauts into space.
The U.S. military wants pilots to report strange sightings in the sky, but doesn’t want any of the stigma that comes with it.
Scientists have been searching for marsquakes since some of the earliest missions to the Red Planet.
A proposal for a space-based ad is only the latest iteration of Pepsi’s fascination with the skies.
How a young scientist got sucked into the black hole of the internet
The mesmerizing image of a cosmic wonder required a rather old-school approach to piece together.
Beresheet, a lander made by an Israeli nonprofit, was just miles from the lunar surface when it malfunctioned.
An unprecedented and illuminating study monitored identical twins, one in space and one on Earth.
Never before have scientists photographed the darkest points in the universe.