Outer Space

The near side of the moon has been studied more extensively than the far side.

The Far Side of the Moon Was Volcanically Active, New Studies Confirm

Scientists analyzed the first and only rock samples from the region, which were brought back to Earth as part of a recent Chinese mission

One of the images that triggered rumors about astronaut Suni Williams' health. Here, she displays radiation measurement hardware.

NASA Addresses Rumors About Health of Starliner Astronaut on the International Space Station—Again

The space agency’s chief health and medical officer refutes claims that Suni Williams, who is on the unexpectedly extended Boeing Starliner mission, appears unhealthily thin

On September 4, 1967, six identical silver disks appeared at equidistant locations along a plumb-straight line that bisected southern England.

How British College Students Convinced Authorities That Flying Saucers Were Invading the U.K.

To raise awareness for a charity event, aspiring engineers planted six UFOs across southern England on a single day in 1967

The Super Hunter's Moon of October 2024 rises over a headland near Bondi Beach in Sydney, Australia.

See the Full Beaver Moon on Friday, the Last Dazzling Supermoon of 2024

November's spectacle closes out a series of four big and bright full moons that have captivated sky watchers since late summer

An artist's rendering of the X-37B conducting an aerobraking maneuver using the drag of Earth's atmosphere, with the bottom of the craft glowing red as it heats up.

The Secretive Spaceplane of the U.S. Space Force Conducts First-of-Its-Kind Maneuvers

Called aerobraking, the technique allows the highly classified craft to change orbit without using propellant—and some are wondering why the agency has let us in on this news

The Leonids sometimes produce fireballs, or unusually bright streaks of light that linger in the night sky. 

How to See the Stunning Leonid Meteor Shower This Weekend

Though the nearly full moon will likely outshine some of these speedy meteors, you may still be able to catch a glimpse of bright fireballs and low Earth-grazers

In 1986, Voyager 2 took this image of Uranus during its flyby.

Voyager 2 Measured a Rare Anomaly When It Flew Past Uranus, Skewing Our Knowledge of the Planet for 40 Years, Study Suggests

The roughly six-hour flyby in 1986 revealed Uranus' protective magnetic field was strangely empty. Now, researchers say that the data could have been affected by a solar wind event

Image captured by Juno during its 66th perijove, then further processed with color enhancement by Gerald Eichstädt and Thomas Thomopoulos.

Check Out the Stunning New Images of Jupiter From NASA's Juno Spacecraft

On its 66th flyby of the king of planets, Juno has captured spectacular views of the stormy atmosphere, processed by citizen scientists

In a version of the iconic "Pillars of Creation" image, the James Webb Space Telescope turned its powerful near-infrared-light cameras on the Eagle Nebula in 2022.

This Stunning New Atlas Explores Humanity’s Ancient Relationship With Space and the Universe

Written by the former chief historian of NASA, the book examines the evolution of our cosmic understanding—from early civilizations to the present day

NASA's aging Voyager 1 spacecraft entered interstellar space in 2012 and has faced a handful of technical issues over the last year, even as it continues to collect scientific data.

Voyager 1 Breaks Its Silence With NASA via a Radio Transmitter Not Used Since 1981

The farthest spacecraft in the universe went momentarily rogue, but scientists breathed a sigh of relief when it reconnected at an unexpected radio frequency

A photo of Neptune, taken by the Voyager 2 probe, with the colors rebalanced to represent its truest appearance

The Six Most Amazing Discoveries We’ve Made About Neptune

Despite the lack of a dedicated mission to the planet, scientists have learned plenty through ground observations and space telescopes

Analysis of the Bullet Cluster, which was formed after two large clusters of galaxies collided, supports the existence of dark matter.

After Decades of Searching, Are Physicists Closing In on Dark Matter?

With no conclusive laboratory results, researchers are turning to other methods to find the elusive substance

A color-enhanced photo of Pluto that was captured by the New Horizons spacecraft in 2015

The Seven Most Amazing Discoveries We’ve Made About Pluto

Though technically not a planet, it has as rich geology as any of its planetary siblings in the solar system

The Perseid meteor shower over Inner Mongolia, China, on August 14, 2023. When a meteor falls to the ground, it's called a meteorite.

Astronomers Uncover the Origin of Most of Earth's Meteorites, Shedding Light on Our Solar System's Past

Prior to the new research, scientists had traced the source of just 6 percent of the known meteorites that fell on our planet

The Orionids will be visible from both hemispheres, but they may be somewhat obscured by light from the moon.

How to Watch the Bright and Speedy Orionid Meteor Shower

While the Orionids, peaking early Sunday and Monday, might be hard to see because of the waning gibbous moon, these zippy meteors can produce long "trains" that last up to several minutes

An area of the mosaic released by ESA’s Euclid space telescope on October 15, 2024, which is zoomed in 36 times compared to the large mosaic.

See the First Section of the Largest-Ever Cosmic Map, Revealed in Stunning Detail by the Euclid Space Telescope

The final 3D atlas of the sky will help scientists study dark matter and dark energy, which make up 96 percent of the universe but remain mysterious

A full moon rises in Denali National Park and Preserve in Alaska. The full moon this week is the closest one of the year.

See the Super Hunter's Moon Tonight, the Biggest and Brightest Full Moon of the Year

This week's supermoon is closer to Earth than any other in 2024

The Super Heavy booster returning to the launch tower.

SpaceX Launches Starship Mega-Rocket and Catches Its Booster in Midair on First Try

The success is a giant leap toward the company's goal to take humans and cargo all the way to Mars on the world's biggest and most powerful launch vehicle

A rendering of the upcoming RTX Living in the Space Age Hall at Smithsonian's Air and Space Museum, featuring the New Shepard rocket booster.

Historic New Shepard Rocket Booster and Crew Capsule Will Go on Display at the Air and Space Museum

The two artifacts donated by Blue Origin achieved record-breaking feats and will extend the museum's story of trailblazing space travel into the present

An artist’s depiction of NASA’s Europa Clipper spacecraft

NASA Launches Europa Clipper to Search for Signs of Life on Jupiter’s Moon

The huge spacecraft is headed toward the icy moon Europa, where it will use an array of instruments to survey for geologic activity, magnetism and more

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