Outer Space
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
Is Jeff Bezos' Blue Origin the Future of Space Exploration?
No one had ever launched, landed and relaunched a rocket into space until the company's historic achievement
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
Meet the Team of Scientists Who Discovered Gravitational Waves
This year, the geniuses behind LIGO announced that they had finally found what Albert Einstein had predicted a century ago
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
Behold: The World's Largest Radio Telescope
The Atacama Large Millimeter Array, located in the Atacama Desert, is the product of a 20-year global effort by Europe, North America, and East Asia
Why Theoretical Physicist Sylvester James Gates Sees No Conflict Between Science and Religion
“I got used to the idea that questions had answers.”
ALMA Reveals Planets Born Earlier Than We Thought
In 2014, astronomer David Wilmer aimed the ALMA Array at a young star 450 light years away
The Biggest Supermoon in 68 Years Will Leave You “Moonstruck”
It hasn't been this close since 1948 and won't be again for the next 18 years
What's Next for Solar Energy? How About Space
Scientists are closer than ever to making the far-out concept of a space-based solar collection system a reality
Most Lithium in the Universe Is Forged in Exploding Stars
The recurring explosions of white dwarf stars produce the vast majority of this important element
Stunning Images Capture the Carina Nebula's "Pillars of Destruction"
Caught by ESO's Very Large Telescope, the ten pillars of gas and dust are a hazy star nursery 7,500 light years away
Astronomers Just Watched an Asteroid Skim Through Earth’s Shadow
The short video was tricky to shoot
Canary Islands Selected as Alternative Spot for the Thirty Meter Telescope
This alternate fate could help smooth tensions over the embattled instrument
This Puerto Rican Telescope Was Built in a Massive Sinkhole
In 1958, the Pentagon wanted to build a 1,000-foot-long telescope for its ballistic missile program
The Swirling Storm Above Saturn’s North Pole Changed Colors
The years-long shift may be a sign of changing seasons
These Photographs From Space Show What Humans Have Done to the Earth
In new book, vivid satellite images of the planet evoke what astronauts call "the overview effect"
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
This Breathtaking Map Traces Hydrogen Throughout the Milky Way
Scientists have made the most detailed map of our home galaxy’s hydrogen currently possible
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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