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.
There's still more to explore after Pluto.
The James Webb Space Telescope has an ever-expanding timeline—and projected cost.
This summer, the mission may get funding to travel to a mysterious rock at the edge of the solar system
I is for interstellar.
Introducing the High-Definition Space Telescope
Spaceman documents Mike Massimino's unlikely journey from fire inspector's son to elite astronaut
You can't see it—but Hubble can.
The ability to gather more information means we'll spend more time sifting through it.
With no plans for future upgrades, the telescope faces a fiery end
A Gallery Of Photos Curated By The Person Who Made Most Of Them
Stranger worlds to come
Mirror, mirror, in the clean room
But more importantly, we know a bit more about why the galaxy is the way it is.
Yesterday's Antares failure was not exactly unprecedented.
A gallery of photos, visualizations, and other pictures of outer space.
Now it's ready for the final tests before launch in 2018
The telescope began work 26 years ago today, but getting there wasn't so easy
Otherworldly desktop backgrounds.
In the December 1980 issue of Popular Science, a 38-year-old theoretical physicist answers the ultimate question about the universe.
A lack of personnel makes the problem more precarious.
300 times the coverage!
Happy birthday to the best space telescope ever! Love, PopSci.