Space

This is a hypothetical set of possible universes.

Think Big

Can Physicists Ever Prove the Multiverse Is Real?

Astronomers are arguing about whether they can trust this untested—and potentially untestable—idea

Andy Weir

Future Is Here Festival

Andy Weir, Author of "The Martian," Shares Details About His Next Novel

The science fiction writer also talks about the future of space travel

Chandra image of the Antenna Galaxy.

Life in the Cosmos

Life in the Cosmos: Special Report

Exploring the mysteries of the universe

The women "computers" pose for a group photo in 1953.

Women in Science

NASA’s 'Rocket Girls' Are No Longer Forgotten History

Thanks to a new book, these female pioneers who helped the U.S. win the space race are finally getting their due

A mini-module, called a BEAM, is slated to be attached to the International Space Station in late May. There, it will undergo testing.

This Expandable Structure Could Become the Future of Living in Space

A Nevada real estate magnate has poured $290 million into a wild dream of being a landlord in outer space. His first tenant: NASA

Pluto’s ‘heart’ is a giant crater that may be slowly moving across the dwarf planet’s surface, scientists say.

Pluto May Have a Wandering Heart

The enormous impact basin may be slowly traveling across the dwarf planet’s surface

What's It Like in Space? Ariel Waldman Has the Answers

The NASA adviser and author of a new book gives some insight on living beyond the Earth's atmosphere

How Do Butterflies Fly and More Questions From Our Readers

You asked, we answered

Astrophysicist Kip Thorne dared to dream of a machine to find gravitational waves.

Think Big

The Detection of Gravitational Waves Was a Scientific Breakthrough, but What’s Next?

Scientists are sitting on top of the world after this monumental discovery and are eager to keep exploring the universe

An artist's rendering of the sweltering surface of Venus.

New Research

A Giant Planetary Smashup May Have Turned Venus Hot and Hellish

A collision with a large object may have triggered changes deep inside the planet that ultimately affected its atmosphere

U.S. astronaut Scott Kelly (right) and his twin brother Mark attend a press conference ahead of NASA's "Year in Space" mission at the Baikonur Cosmodrome in Kazakhstan in 2015.

A Brief History of Twin Studies

As NASA dives into the data from astronaut twins, take a look back at the famous, and infamous, results we've seen from this popular research tool

Explore the Magnificent and Mysterious Surface of the Moon in Pictures

At the National Air and Space Museum, beautiful images show how the moon's pockmarked surface is rife with mystery

Scott Kelly works on the International Space Station during a nearly eight-hour spacewalk in November 2015.

What Happens to the Human Body in Space?

Data from astronauts who spent 340 days in orbit will add to almost 55 years of research on how low gravity sends Earthlings for a loop

Bigelow Aerospace's proposed space station, Alpha, would be made up of sausage-link-esque blocks, each the size of a school bus.

Age of Humans

We Thought We'd Be Living in Space (or Under Giant Domes) By Now

An inflatable space habitat test highlights the futuristic visions we've had for housing, from cities under glass to EPCOT

Meteorites embedded in ice sheets that run into the Transantarctic mountains can work their way to the surface, making it easier for scientists to collect these fragmented space rocks.

Journey to the Center of Earth

Iron Meteorites Play Hide-and-Seek Under Antarctic Ice

Meteorites give scientists a glimpse into our early solar system, but the sun's rays and melting ice may make these extraterestrial crumbs harder to find

A supercomputer simulation shows the gravitational waves produced as two black holes merge.

New Research

After a Century of Searching, We Finally Detected Gravitational Waves

Two merging black holes sent out a signal 1.3 billion years ago that now confirms a key prediction of Einstein's relativity

An artist's rendering of the galaxies hiding beyond the veil of the Milky Way.

Think Big

Hundreds of Galaxies Were Found Hiding Behind Our Milky Way

The objects may help explain why our galaxy and its neighbors are hurtling towards a seemingly blank zone called the Great Attractor

When CO2 rises, wet and wild planets may lose their oceans to space.

New Research

Looking for Life Beyond Earth? Watch Out for Steam Bath Planets

Simulations show that water and CO2 can be a surprisingly deadly combo on some unfortunate worlds

A picture snapped by Spirit near Home Plate shows silica formations poking out of the soil, which may have been formed by microbial life.

Mysterious Martian 'Cauliflower' May Be the Latest Hint of Alien Life

Unusual silica formations spotted by a NASA rover look a lot like structures formed by microbes around geysers on Earth

This cuneiform tablet may re-write the history of math and astronomy.

New Research

Babylonians Were Using Geometry Centuries Earlier Than Thought

Ancient astronomers were tracking planets using math believed to have first appeared in 14th-century Europe

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