His favorite astronaut, his most beloved fictional space explorer, and the discoveries that would have changed the plot of 'The Martian.'
The Very Large Telescope got new adaptive optics technology.
A slew of new startups are vying to serve the booming market for small satellites by launching small rockets more frequently and cheaply
What's the matter with dark matter?
In the December 1980 issue of Popular Science, a 38-year-old theoretical physicist answers the ultimate question about the universe.
Here's why that's important for mission scientists here on Earth.
The spacecraft completely changed our view of Saturn and her moons
Scientists just switched on the Event Horizon Telescope
It's a matter of perspective
The agency's new GIPHY page is a delight
In an exclusive interview, the executive producers of NatGeo's 'Mars' miniseries discuss colonizing the red planet
Sudden peeing, sweat balls, and so much more
Thanks to a new world-spanning algorithm
Rise Of The Rocket Girls gives the untold story of the women behind the space race
Not just a pretty planet
How much space does each astronaut really need?
To Instagram and beyond
NASA is on location
Even though I helped demote it
An interview with Keri Bean, NASA engineer and R2D2's best friend
The Rosetta mission is about to land where no spacecraft has ever landed before.
Happy Carl Sagan day! Celebrate with this blast from the past in the pages of Popular Science