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Outer Space

This sphere is now spinning miles above Earth's surface. You can see it with a naked eye glinting across the night sky.

Rocket Lab Launched This Glittery Sphere Into Orbit

The sphere reflects so much sunlight it can be seen from Earth with the naked eye

Astronomer Todd Slisher unfolds tin-foil to reveal a piece of stony-iron meteorite during a press conference, Friday, January 19, 2018, at the Longway Planetarium in Flint, Michigan.

Meteorite Hunters Recover Fragments of Fireball That Exploded Over Michigan

Amateurs and professionals comb snowy landscapes for shards of the exploded meteor

Galaxy SPT0615-JD

Cool Finds

Behold Hubble’s Best Image of a Distant Galaxy Yet

The galaxy is roughly 13.3 billion light years away, and formed just 500 million years after the universe began

Meteor Explodes With a Brilliant Flash Over Michigan

The blast caused shook the ground and likely scattered small hunks of space rock in the region

The Orion Nebula

Cool Finds

Take a Breathtaking Trip Through the Orion Nebula in NASA’s New Video

Combining visible and infrared imagery, the new video takes viewers deep into the star nursery

A cross-section of underground ice is exposed at the steep slope that appears bright blue in this enhanced-color view from the HiRISE camera on NASA's Mars Reconnaissance Orbiter.

Huge Deposits of Ice Found Just Beneath Mars’ Surface

Erosion has exposed eight sites of enormous quantities of water ice

Trending Today

What Went Wrong With the Launch of the Secretive Zuma Satellite?

Not all is well for the classified Zuma satellite launched from Florida on Sunday

Ask Smithsonian

Can All Living Things Exhibit Albinism?

You asked, we answered

Artist's illustration of Tabby's Star, also known as KIC 8462852.

New Research

Dust, Not an Alien Megastructure, Likely Causes Strange Winks in Tabby’s Star Brightness

After extensive observations, researchers can now confidently say: It’s not aliens

Trending Today

Meet the Newly Named 86 Stars of the Night Sky

The new names are drawn from China, Australia, South Africa, Maya, Polynesian and Coptic traditions

In the nothingness of space, sound waves have no medium by which to travel.

Science in the Movies

The Science of Silence in ‘Star Wars: The Last Jedi’

The soundless lightspeed attack that baffled some fans was actually the film’s most scientifically accurate moment

A Quadrantid fireball

Trending Today

Quadrantid Meteor Shower Kicks Off the New Year

The annual show is known for producing long-lasting, bright fireballs from asteroid 2003 EH1

A compound image captures the rising moon over the Futako-Tamagawa Rise complex in Tokyo, Japan.

Watch the Supermoon Rise Around the World in Pictures

The ‘super’ event was a great excuse to get outside and take in some celestial wonder—even if the moon didn’t look all that different

Trending Today

Russia Proposes “Luxury Hotel” for the International Space Station

The NEM-2 module would have four cabins, two bathrooms, exercise equipment, WiFi and a lounge with a 16-inch window

Each chapter progresses from the very small to the very big.

Learn to Speak the Language of the Universe With This Mindblowing New Book

Magnitude helps you imagine the outer limits of time, speed and distance—without breaking your brain

Artists rendering of the Dragonfly craft exploring Titan

Trending Today

NASA Unveils Finalists for Its Next New Frontiers Mission

In 2025, the agency will either try to grab a piece of a comet or send a space-helicopter drone to the surface of Saturn’s moon Titan

Artists rendering of ‘Oumuamua

New Research

Unusual Interstellar Visitor Could Be Shard of Ice

A new study of ‘Oumuamua suggests it’s water ice covered with 20 inches of dry carbon compounds

A Falcon 9 launch vehicle takes flight during a resupply mission on June 3, 2017. This was the first time that a Dragon spacecraft has been reused.

SpaceX Successfully Launches a Fully Recycled Mission to the Space Station

A previously flown rocket will launch a previously flown spacecraft to the space station

New Research

Shadows of Saturn’s Rings Mess With Its Upper Atmosphere

The Cassini probe’s final swoops through the rings found that they impact the planet’s ionosphere

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