But we're not quite ready to trash general relativity.
Fast Radio Bursts have an origin story—and we're closer to learning what it is.
There go our hopes of nuking an apocalyptic asteroid.
The Large Magellanic Cloud isn't just a pretty satellite galaxy—it's also a future threat.
Astrophysicists measured all of the lights.
Oxygen-breathing critters might be more plausible than we thought.
What this new research means for radio astronomy
Now astronomers want to know: what makes a star a star?
From the Popular Science archives.
From northern lights to lightning bolts
What we know about the mysterious life cycle of a black hole.
Something's got the Kuiper belt's rocks off, and there's a scramble to find it.
The Gaia satellite charts stars like never before.
In the December 1980 issue of Popular Science, a 38-year-old theoretical physicist answers the ultimate question about the universe.
Heat and drills will help us probe for alien microbes
Deep-sea vents could infuse Enceladus' ocean with microbe food
For the first time since the Viking mission failures, the space agency may take the direct approach
This star is breaking all the rules
1.2 million galaxies
Rise Of The Rocket Girls gives the untold story of the women behind the space race
Now if only they could find out what causes it