Seeking a distant pale blue dot
Now to figure out if it has liquid water. Or an atmosphere.
Before Breakthrough Starshot goes interstellar, let's test the laser sails
The star system is 25 trillion miles away
Now, the KickSat may power Yuri Milner's $100 million Breakthrough Starshot Project
Sid Meier and Yuri Milner know why
Short answer: a time machine
Could alien life survive on Saturn's moon?
Going to Alpha Centauri "within a generation"
The closest potentially habitable planet has an intriguing interior
When you're traveling this fast, every little speck counts
It's time to return to our hellish neighbor.
One of these spacecraft could become the first private spacecraft to land on the moon
Contacting aliens could save us or destroy us
NASA's Vickie Kloeris explains the challenges of designing food for deep space missions
Reduce, reuse, recycle
In memory of "the last moonwalker"
From the Popular Science archives.
We're under a time crunch.
They're called “supermassive” for a reason.
New research provides some clues about our solar system's most mysterious planet.
A 2024 mission is pretty unlikely.
Bigelow Aerospace is sending up an expansion pack for the ISS
Researchers are testing how life on the International Space Station affects the microbiome.