NASA
New Hubble Image Captures the Collision of Two Galaxies
A beautiful look at a violent event
The Day the Nimbus Weather Satellite Exploded
The writer's grandfather recalls a seminal moment in the Space Race
The International Space Station Will Finally Welcome a Black Astronaut
In May 2018, flight engineer Jeanette J. Epps will begin her mission on the ISS
An Iceberg Larger Than Rhode Island Is Poised to Break From Antarctica
Its break from the ice shelf could spell trouble for the frozen expanse
NASA Just Announced Two New Missions, But Shelved Others
Though the new missions have exciting prospects, some scientists aren’t thrilled by the decision
Fireworks Not Your Thing? Then Look Out For a Comet on New Year’s Eve
With a telescope in hand, you can watch a comet zoom past the Earth tomorrow night
Sure, Earth Could Get Hit by a Deadly Asteroid—But There’s an Upside
Con: Devastating outer space impacts. Pro: Global unity!
Check Out NASA's Picks for This Year's Best Images of Earth
From sunsets to city lights, the images capture the beauty of our ever-changing planet
Scientist Warns We're Unprepared for a Comet Strike
NASA researcher Joseph Nuth proposes that we build and store two spacecraft to deal with potential comet or asteroid strikes
John Glenn and the Sexism of the Early Space Program
Fan mail sent to the astronaut reveals the rigidity of gender roles in the 1960s
Japan Testing "Space Tether" to Knock Junk Out of Orbit
The KITE experiment will use a half-mile long cable to guide some of the 500,000 chunks of space junk out of orbit
For a Larger-Than-Life Space Icon, John Glenn Was Remarkably Down-to-Earth
Friends and colleagues recall his abiding love for Smithsonian’s work, the history of spaceflight and peanut butter buckeyes
In Its Final Hurrah, Cassini Will Swoop Past Saturn’s Rings
The craft will take one last look at the ringed planet before diving into its depths
What Do Astronauts Eat on Thanksgiving?
It’s not as bad as you might think
Mercury's Newly-Discovered "Great Valley" Puts Earth's Grand Canyon to Shame
The vast scar across the tiny planet is remarkable in itself—but it also reveals that Mercury may still be tectonically active
Space Archaeologist Sarah Parcak Uses Satellites to Uncover Ancient Egyptian Ruins
The Indiana Jones of low Earth orbit harnesses 21st-century technology to uncover long-buried treasures
How the Pull of an Icy “Heart” Sent Pluto’s Poles Wandering
Using New Horizons data, scientists determine that the erstwhile planet has a more dynamic past than we thought
The Swirling Storm Above Saturn’s North Pole Changed Colors
The years-long shift may be a sign of changing seasons
American Scientists Took the First Photo of Earth From Space Using Nazi Rockets
70 years ago, researchers at White Sands Missile Base strapped a movie camera to a V2 rocket to get a bird's-eye view of our planet
Schiaparelli Mars Lander Likely Crashed on Descent
The European Space Agency lost contact with the Schiaparelli probe after it jettisoned its heat shield and deployed its parachute
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