Space & Physics

Astronomy’s future may be slipping away—one climate disaster at a time

Every now and then, tiny particles of antimatter strike Earth from cosmic parts unknown. A new balloon-borne experiment launching this spring may at last find their source

Starliner’s first crewed launch will mark just the sixth time ever that NASA astronauts have flown in a brand-new spacecraft

The solar system’s outer limits aren’t as clear-cut as you might think

The hit sci-fi show’s adviser and two other researchers discuss its portrayal of scientists and their technologies

Domain walls, long a divisive topic in physics, may be ideal explanations for some bizarre cosmic quirks

The Geologic Atlas of the Lunar Globe doubles the resolution of Apollo-era maps and will support the space ambitions of China and other countries

Someday an unlucky outburst from our sun could strike Earth and fry most of our electronics—and we’ve already had some too-close-for-comfort near misses

The incentives in science don’t always encourage openness—but being wrong might just be the key to getting it right.

NASA scientists spent months coaxing the 46-year-old Voyager 1 spacecraft back into healthy communication

Millions of human-made objects travel at high speeds in low-Earth orbit, polluting space and increasing the chance of collision with satellites and other spacecraft

Purple may be a likely color for extraterrestrial organisms, research suggests