James Webb is now slated for a 2021 launch—only a bajillion years late.
Confirming hints picked up by the Hubble just a few years ago.
The James Webb Space Telescope has an ever-expanding timeline—and projected cost.
I is for interstellar.
This summer, the mission may get funding to travel to a mysterious rock at the edge of the solar system
There's still more to explore after Pluto.
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.
The telescope began work 26 years ago today, but getting there wasn't so easy
Now it's ready for the final tests before launch in 2018
A lack of personnel makes the problem more precarious.
Otherworldly desktop backgrounds.
In the December 1980 issue of Popular Science, a 38-year-old theoretical physicist answers the ultimate question about the universe.
300 times the coverage!
Happy birthday to the best space telescope ever! Love, PopSci.