Scientists directly imaged two embryonic exoplanets 370 light-years away.
New research provides some clues about our solar system's most mysterious planet.
Shamu dreams of Europa.
We're under a time crunch.
Now astronomers want to know: what makes a star a star?
From the Popular Science archives.
And you thought this summer was hot
Shower your friends with meteor facts.
A good week for space photography
The lightning struck more than twice.
Plus: new insights into the planet's interior.
Small, but mighty.
So hot right now.
Your aurora is showing
Jupiter is that little dot getting closer and closer...
Rise Of The Rocket Girls gives the untold story of the women behind the space race
The evidence is right in front of you.
Boldly going where no bot has gone before
Tiny satellites could help turn the Moon into a gas station for solar system exploration
This year's missions to the outer solar system are set to shake up the planetary family tree
Jupiter's moon is the best candidate for finding extraterrestrial life; here's how we're going to get there
The Dawn spacecraft arrives at Ceres this March, and it could be the most surprising space mission in decades