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Space Travel

A 235-foot-tall Delta IV takes off with 2.1 million pounds of thrust from its three RS-68A booster main engines, creating a magnificent light show in the sky.

See 15 Inspiring Images of Americans’ Accomplishments in Space Exploration That Will Have You Reaching for the Stars

These photographs from the Smithsonian Magazine Photo Contest show the many ways that the nation’s brightest minds explore the great beyond with crewed spacecraft, rockets and space stations.

An illustration of all 726 solar systems depicting planets confirmed as of October 30, 2018, the end of Kepler’s life span. The colors represent each planet’s temperature, ranging from chilly dark blue to fiery red. The mission yielded so much data that scientists are still announcing new planets years later.

America at 250: The Revolutionary Spark

A Blip on a Telescope in a Colorado Parking Lot Bolstered a Space Mission That Has Found Thousands of Planets … and Counting

The Kepler telescope changed how we saw the sky. It’s just one of the devices we’ve sent out beyond the reach of humans to search our solar system

From left: replicas of the Blue Origin lander, Astrolab rover, Lunar Outpost rover and the Firely orbiter. 

NASA Unveils New Details About the Future Moon Base and the Missions Laying the Groundwork to Build It

The first three missions are targeted to launch this year. They’ll involve lunar landers developed by several aerospace companies, including Blue Origin, and deliver scientific instruments and a rover

Rhys Ifans (standing in second row) as the chief designer in "Star City," a spinoff of Apple TV's "For All Mankind" 

Based on a True Story

Soviet Cosmonauts Trained at Star City as They Raced to Beat America to the Moon. Now, a New TV Series Imagines What Happened Behind the Base’s Walls

Apple TV’s “Star City” takes place in a world where the space race never came to an end. A spinoff of “For All Mankind,” the show is told from the Soviet perspective

A shell that protected the Perseverance rover during its descent to Mars in a clean room at NASA’s Jet Propulsion Laboratory

This Microscopic Fungus Survived NASA’s Sterilization Protocols—and Is Potentially Hardy Enough to Contaminate Mars

The microbe was gathered from the agency’s clean rooms, where experts build spacecraft in carefully controlled environments. The findings reveal gaps in the agency’s procedures to prevent durable hitchhikers

A crescent Earth floats beyond the moon in a gorgeous role reversal captured during the Artemis 2 mission. Photo ID ART002-E-21106

NASA Just Uploaded More Than 12,000 Stunning Photos From the Artemis 2 Mission. Here Are a Few of Our Favorites

Although the mission’s four astronauts sent a few photos to Earth while in space, most needed to be delivered via physical memory cards once they returned to the planet

Left: Experimental setup of some chickpeas growing in artificial lunar dirt. Right: A chickpea root covered in the simulated moon soil, which is sharp and glass-like. 

Hummus Made From Moon-Grown Chickpeas Might Be on the Menu for Future Lunar Residents

Researchers successfully grew and harvested chickpeas in simulated moon dirt—with a little help from worm poop and a beneficial fungus. However, they’re still testing whether the legumes are safe to eat

Mission engineers have shut down Voyager 1's Low-energy Charged Particles experiment.

To Keep the Voyager 1 Spacecraft on Its Interstellar Journey, NASA Turned Off One of Its Few Remaining Instruments

The probe launched almost 50 years ago and is the farthest human-made object from Earth. Shutting down one of its scientific devices will help it conserve energy and continue traveling toward the edge of the solar system

Astronauts struggle to adapt to weightlessness, even after months on the International Space Station, a study suggests.

Astronauts’ Memories of Earth’s Gravity May Influence How They Move and Hold Objects, Even After Months in Space

Examining the fine motor skills of space travelers can help improve safety for future missions, scientists say

On Thursday, Artemis 2 astronauts Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen gave their first press conference since splashing down. Here, Hansen holds Rise, the crew’s mascot and zero-gravity indicator, which visually demonstrated when they had entered space.

After Rounding the Moon, Artemis 2 Astronauts Reflect on the Magnitude of the Experience: ‘We as Countries and as Humans Did This’

In their first press conference since returning from space, the four-person crew described feeling small but united with people on Earth and said the mission was an achievement by all of humanity

A red aurora over Engaru, Hokkaido, Japan, similar to those documented throughout history, which helped the researchers reconstruct past solar activity

Medieval Writings and Tree Rings Helped Researchers Track a Solar Storm From 800 Years Ago and Reconstruct Past Solar Cycles

Diary entries by the Japanese poet Fujiwara no Teika, along with other historical sources from across Asia and Europe, played pivotal roles in a new study

Artemis 2's Orion capsule splashed down in the Pacific Ocean off the coast of San Diego.

Artemis 2 Astronauts Successfully Return to Earth After Completing a Historic Mission Around the Moon

The crewmembers splashed down Friday after breaking a space-faring record and viewing lunar features never seen by human eyes during their ten-day trip. It marks the first time anyone has left Earth’s orbit in more than 50 years

From the perspective of the Orion spacecraft, seen at left, the moon eclipsed the sun on April 6.

What Lies Beyond Artemis 2? These Other Missions Are Setting Their Sights on the Moon This Year—and on a Future With Humans in Space

As the historic lunar flyby comes to a close, space companies and nations around the world are also shooting for the moon. Upcoming landings aim to change the landscape of space exploration

Earth, partially illuminated, appears over the moon’s horizon at 6:41 p.m. Eastern time on Monday—just three minutes before the Artemis 2 astronauts reached the far side of the moon, initiating a communications blackout with NASA’s teams on the ground.

See the Awe-Inspiring New Photos of the Moon and Earth Sent Back From the Artemis 2 Mission

The astronauts are on their way home after looping around the moon on a historic flyby. Here are the dazzling images they captured

The Artemis 2 crew reported an issue with the toilet shortly after takeoff.

Artemis Astronauts Overcome Toilet Trouble and Officially Head Toward the Moon

Houston, we have a potty problem

NASA astronaut Mike Fincke on January 15, when SpaceX Crew-11 splashed down, roughly one month ahead of schedule.

An Astronaut’s Sudden Inability to Speak Prompted the ISS’s First Medical Evacuation. Doctors Still Don’t Know What Caused the Issue

The individual who fell ill, NASA’s Mike Fincke, says the medical team is almost certain that the issue was related to being in space

Artemis 2 will take four astronauts around the moon.

NASA’s Artemis 2 Mission Launches, Sending Humans Toward the Moon for the First Time in More Than 50 Years

Four astronauts have begun a ten-day mission in which they’ll loop around the moon, laying the groundwork to put humans on the lunar surface as early as 2028

Male reproductive cells, sperm, might struggle to reach and fertilize female reproductive cells, eggs, in microgravity, according to a new study.

Humans Might Struggle to Make Babies in Space. Sperm Gets Disoriented in Microgravity, a New Study Suggests

Simulated near-weightless conditions reduced human sperm’s navigational abilities

During a training exercise in Houston in January 2025, the Artemis 2 crew practiced configuring the Orion spacecraft for orbit and its return to Earth.

The Revolution in Moon Exploration

It’s Almost ‘All Systems Go’ for Artemis 2 to Take the Next Giant Leap Toward Stepping on the Moon Again

Scheduled to launch this week, NASA’s Artemis 2 is part of the bold 21st-century vision for returning astronauts to the lunar surface

Astronauts Neil Armstrong (left) and David Scott (right) greet well-wishers at Naha Air Base in Okinawa, Japan, shortly after the Gemini 8 spacecraft spun out of control.

These Never-Before-Seen Photos Show Astronaut Neil Armstrong Relaxed and Smiling After He Almost Died in the Gemini 8 Emergency

Few members of the media were at the unexpected arrival site. Military police officer Ron McQueeney was one of the few photographers who documented the occasion

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