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Science / Space

Stargazers watch Comet Neowise shoot across the sky on July 19, 2020 outside of Los Angeles, California.

Ten Dazzling Celestial Events to See in 2022

Stargazers in North America can look forward to meteor showers, lunar eclipses and a stunning multi-planet lineup this year

One reader wonders what graffiti was like before spray paint.

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What Did Graffiti Look Like Before Spray Paint and More Questions From Our Readers

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From amazing firsts on Mars to the impacts of climate change on Earth, these science stories stood out as the most important of 2021

The Ten Most Significant Science Stories of 2021

Thrilling discoveries, hurdles in the fight against Covid and advancements in space exploration defined the past year

Webb’s 18 mirror segments can lock into the largest telescopic mirror humankind has ever built.

Future of Space Exploration

The Five Big Ways the James Webb Telescope Will Help Astronomers Understand the Universe

The highly awaited observatory is set to break new ground in many areas of astronomical research

Over the course of our planet’s history, major impacts by comets and asteroids are plentiful.

The Very Real Effort to Track Killer Asteroids and Comets

In “Don’t Look Up,” researchers warn authorities about a comet hurtling towards Earth. Such a scenario isn’t just science fiction

NASA’s Hubble Space Telescope snapped this picture of the Centaur LD2 as it orbited near Jupiter.

The Ambitious Idea to Study the Evolution of a Comet

Researchers want to send a spacecraft near Jupiter to join up with a chunk of rock and ice as it’s flung toward the sun

A rainbow appears after a storm on the faux-Martian habitat.

Inside the Experiment to Create Mars on Earth

A hostile landscape. Cramped quarters. Dehydrated food. A photographer takes part in an attempt to live on another planet

An artist's concept of NASA’s Volatiles Investigating Polar Exploration Rover, or VIPER.

Five Things to Know About NASA’s Lunar Rover ‘VIPER’

The device will hunt for resources, including water, vital to future space exploration

Stretching 4,800 square feet in size, the piece coincides with the United Nations' International Day of the Girl Child initiative and is also part of World Space Week.

A Monumental Portrait of NASA Astronaut Stephanie Wilson Crops Up in Atlanta

The earthwork is the latest in land artist Stan Herd’s impressive, decades-spanning portfolio

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The Wonder of Avi Loeb

The physicist thinks we might have glimpsed evidence of an alien civilization. Despite controversy, he’s determined to find more

ELSA-d is a demonstration device designed to show that space debris removal is possible.

Innovation for Good: Game Changers

Can the World’s First Space Sweeper Make a Dent in Orbiting Debris?

A private company has just completed the first successful test of its trash collector

Both beer and wine are thought to predate distilled spirits.

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‘Which Came First: Beer or Wine?’ and More Questions From Our Readers

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Construction of multiple telescopes has begun on Saishiteng Mountain—near the town of Lenghu in the Qinghai province of China. The site could be China’s first major observatory, on par with those in Hawaii, Chile, and the Canary Islands.

Future of Space Exploration

Why the Tibetan Plateau Might Be the Ideal Spot for the Telescope of the Future

A team in China has identified a location that could give the Eastern Hemisphere its first major observatory

The researchers flew their fridge on parabolic flights to simulate a microgravity environment.

Innovation for Good: Game Changers

The Quest to Build a Functional, Energy-Efficient Refrigerator That Works in Space

Designed and tested by Purdue University engineers, this new appliance would lengthen the shelf life of food on long missions

DESI will analyze light collected by the four-meter Mayall telescope at Kitt Peak National Observatory near Tucson, Arizona.

New Project Aims to Create Most Detailed 3-D Map of the Universe

An instrument named “DESI” will chart up to 40 million galaxies, ten times more than any previous survey

Mice pups were borne out of freeze-dried mice sperm that had been stored on the International Space Station for up to six years. Some of those mice and their offspring are pictured here.

After a Six-Year Sojourn in Space, Freeze-Dried Mice Sperm Produce Healthy Pups

Scientists say the finding supports the idea that genetic material can be shipped to other worlds to help establish a diversity of life

James Smithson was the Smithsonian’s founding donor, bequeathing approximately one ton of gold British sovereigns.

Smithsonian 175

Why Did James Smithson Leave His Fortune to the U.S. and More Questions From Our Readers

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So far, scientists have only documented jagged lightning bolts. Some physicists believe that the discovery of a completely straight lightning bolt could prove the existence of dark matter.

Could Weirdly Straight Bolts of Lightning Be a Sign of Dark Matter?

A group of scientists say the phenomenon could indicate dark matter speeding through our world at more than 300 miles a second

The lunar module Eagle, carrying Neil Armstrong and Buzz Aldrin, ascends back up to the command module Columbia with Michael Collins. It is often said that Michael Collins is the only human, living or dead, who is not in this photograph.

Future of Space Exploration

Apollo 11 Astronaut Michael Collins on the Past and Future of Space Exploration

On the occasion of the lunar landing’s 50th anniversary, we spoke to the former director of the National Air and Space Museum

Some designers promote fashion lines based on kente cloth from Ghana.

When Is Kente Cloth Worn and More Questions From Our Readers

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