A new method could help scientists peer inside universe's densest star clusters to find undiscovered black holes
Fifty years after a fire killed three astronauts and temporarily grounded U.S. space exploration, a new exhibit honors the fallen crew
Scientists want to know if astronauts can hibernate during long spaceflights. First, they need to understand what hibernation is
The writer's grandfather recalls a seminal moment in the Space Race
Con: Devastating outer space impacts. Pro: Global unity!
These magnificently bearded men both introduced a dose of randomness and irreversibility into the universe
Fan mail sent to the astronaut reveals the rigidity of gender roles in the 1960s
Friends and colleagues recall his abiding love for Smithsonian’s work, the history of spaceflight and peanut butter buckeyes
Two weeks before he died, the legendary astronaut wrote a letter in recognition of the 2016 American Ingenuity Awards
This year, the geniuses behind LIGO announced that they had finally found what Albert Einstein had predicted a century ago
The Indiana Jones of low Earth orbit harnesses 21st-century technology to uncover long-buried treasures
No one had ever launched, landed and relaunched a rocket into space until the company's historic achievement
Using New Horizons data, scientists determine that the erstwhile planet has a more dynamic past than we thought
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
“I got used to the idea that questions had answers.”
In 2014, astronomer David Wilmer aimed the ALMA Array at a young star 450 light years away
In 1958, the Pentagon wanted to build a 1,000-foot-long telescope for its ballistic missile program
My card is now a historical museum artifact, but I’ll never give up my dream to fly to the Moon
The eerie resemblance these locales have to Mars and beyond has attracted researchers for years
In Lebanon, reminders of what could have been still stand
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