10 years ago, the Curiosity rover arrived on Mars — and revolutionized the hunt for alien life
Armed with a suite of instruments, the rover was able to tackle the Red Planet like never before.
50 years ago, a powerful satellite overcame opposition and changed how we understand Earth forever
Landsat-1 gave us images of Earth like never before.
60 years ago, a military pilot made it to space — and set off a debate that rages today
Where does space begin?
30 years ago, one tiny space probe's comet flybys defied all scientific expectations
The Giotto probe paved the way for Dawn, Rosetta, and so much more.
15 years ago, 1,000 space experts sketched out humanity’s future on the Moon
The Global Exploration Strategy is a blueprint for understanding space policy today.
50 years ago, the U.S. and U.S.S.R. joined forces to ensure astronauts could survive in space
Could this happen today?
10 years ago, one SpaceX launch showed NASA they could work with Elon Musk
“This mission heralds the dawn of a new era of space exploration.”
China and Russia are on track to set up a Moon base by 2036 — here’s the plan
The politics of Earth play out on the Moon, too.
60 years ago, a forgotten shiny balloon in space changed how we watch TV forever
The echoes of this NASA mission continue to reverberate today.
50 years ago, a Soviet spacecraft spent a critical 50 minutes and 11 seconds on Venus
Venera-8 made a photo of Venus’ surface possible.
30 years ago, an international space mission radically changed how we see Earth
The predecessor the ISS still gets its day in the Sun.
50 years ago, NASA sent a message to aliens — and sparked a Solar System mystery
A mere fifty years ago, Pioneer 10 launched and became the first unmanned mission to Jupiter. The mission revealed new details about the Solar System — and sent a message to aliens.