But more importantly, we know a bit more about why the galaxy is the way it is.
The James Webb Space Telescope has an ever-expanding timeline—and projected cost.
I is for interstellar.
There's still more to explore after Pluto.
Confirming hints picked up by the Hubble just a few years ago.
James Webb is now slated for a 2021 launch—only a bajillion years late.
A Gallery Of Photos Curated By The Person Who Made Most Of Them
New Horizons scientist Leslie Young discusses what to expect from the flyby on Tuesday, and the 28-year wait leading up to it
This summer, the mission may get funding to travel to a mysterious rock at the edge of the solar system
In the December 1980 issue of Popular Science, a 38-year-old theoretical physicist answers the ultimate question about the universe.
Hubble Telescope will investigate further
With scorching temperatures day and night, WASP-43b ain't no place to live.
With no plans for future upgrades, the telescope faces a fiery end
Stranger worlds to come
Introducing the High-Definition Space Telescope
A gallery of photos, visualizations, and other pictures of outer space.
The telescope began work 26 years ago today, but getting there wasn't so easy
And it's giving Einstein a run for his money
Now it's ready for the final tests before launch in 2018
A lack of personnel makes the problem more precarious.
So close we might even be able to measure its wind speeds, GJ 1132b is a very important exoplanet
Otherworldly desktop backgrounds.
300 times the coverage!