Space

An infrared image of 47 Tucanae, a dense globular cluster of stars located roughly 16,000 light years from Earth. A new study has predicted that a black hole lies at its center.

Think Big

How Astrophysicists Found a Black Hole Where No One Else Could

A new method could help scientists peer inside universe's densest star clusters to find undiscovered black holes

From left to right, the astronauts of Apollo 1: Virgil I. Grissom, Edward H. White II, and Roger B. Chaffee.

The Legacy of the Apollo 1 Disaster

Fifty years after a fire killed three astronauts and temporarily grounded U.S. space exploration, a new exhibit honors the fallen crew

The doormouse hibernates to conserve resources in harsh conditions. Similarly, scientists envision humans hibernating to endure long-distance space travel.

Ask Smithsonian 2017

Can Humans Ever Harness the Power of Hibernation?

Scientists want to know if astronauts can hibernate during long spaceflights. First, they need to understand what hibernation is

The impacts from the Nimbus satellites (Nimbus-1 pictured here) made a lasting mark on meteorology and climate science that can still be felt today.

The Day the Nimbus Weather Satellite Exploded

The writer's grandfather recalls a seminal moment in the Space Race

New asteroids are detected every day surrounding Earth, most of which are harmless.

Think Big

Sure, Earth Could Get Hit by a Deadly Asteroid—But There’s an Upside

Con: Devastating outer space impacts. Pro: Global unity!

Besides exceptional facial hair, what could these two gentlemen have in common?

Think Big

The Hidden Connections Between Darwin and the Physicist Who Championed Entropy

These magnificently bearded men both introduced a dose of randomness and irreversibility into the universe

John Glenn stands in the NASA mailroom surrounded by thousands of letters sent to him.

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

John Glenn, standing top right, looks at a model of the ship that took him to space with other astronauts from the Mercury space program in an undated photograph.

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

American Ingenuity Awards

Read the Letter Written by John Glenn to Honor Jeff Bezos for Blue Origin

Two weeks before he died, the legendary astronaut wrote a letter in recognition of the 2016 American Ingenuity Awards

LIGO's founding fathers, from left: Rainer Weiss, Kip Thorne and Barry Barish. Not pictured: Ronald Drever

American Ingenuity Awards

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

Sarah Parcak

American Ingenuity Awards

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

Jeff Bezos

American Ingenuity Awards

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

Sputnik Planitia is a 325,000-square-mile, ice-covered basin on Pluto.

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

Sylvester James Gates, a theoretical physicist and voice for faith and science.

Think Big

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

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

Pan Am promoted its "First Moon Flights" Club on radio and TV after the Apollo 8 mission in 1968, saying that "fares are not fully resolved, and may be out of this world."

I Was a Card-Carrying Member of the "First Moon Flights" Club

My card is now a historical museum artifact, but I’ll never give up my dream to fly to the Moon

Six Places on Earth That Scientists Say Look Like Other Planets

The eerie resemblance these locales have to Mars and beyond has attracted researchers for years

Cedar 7 at take-off

The Bizarre Tale of the Middle East’s First Space Program

In Lebanon, reminders of what could have been still stand

Page 14 of 37