Outer Space

An image of an odd radio circle called ORC 1. ORCs can be much wider across than the Milky Way galaxy and are large enough to surround entire galaxies.

Giant, 'Odd' Circles of Radio Waves in Space May Finally Have an Explanation

The mystifying orbs could be caused by galactic winds, propelled by a period of rapid star formation and death

Japan's X-ray Imaging and Spectroscopy Mission Smart Lander for Investigating Moon (SLIM) launched from Earth on September 7. SLIM took a fuel efficient route to the moon, touching down on the surface over four months later.

Japan Lands Spacecraft on the Moon

After a successful soft landing, the craft's solar cells weren't charging and it was running out of power

A photo from a camera on one of Peregrine's payload decks shows some of the spacecraft's payloads, as well as a sliver of Earth in the upper right.

Doomed Lunar Lander Will Burn Up in Earth's Atmosphere on Thursday

Astrobotic, the company in charge of the mission, says its Peregrine spacecraft will not reach the moon, and burning it will ensure the lander doesn't end up as space debris

A map of fishing vessels operating between Tunisia and Sicily reveals lots of untracked activity.

These Satellite Maps Reveal Rampant Fishing by Untracked 'Dark Vessels' in the World's Oceans

Using satellite imagery and A.I., a new study finds about 75 percent of industrial fishing is not publicly tracked, and clandestine ships enter marine protected areas

The United Launch Alliance's Vulcan Centaur rocket launches from Cape Canaveral, Florida, on January 8, carrying Astrobotic's Peregrine lunar lander.

American Moon Mission Suffers Fuel Leak, Has 'No Chance' of a Soft Landing

Launched early Monday, the Peregrine spacecraft started losing propellant almost immediately, and the mission, which is carrying NASA scientific instruments, has been derailed

I thought I saw more red foliage this fall. Is that related to climate change?

Does Climate Change Affect Leaves' Fall Colors? And More Questions From Our Readers

You’ve got questions. We’ve got experts

An image of the moon taken by NASA's Galileo spacecraft on December 7, 1992. Payloads on next week's commercial mission to the surface include NASA scientific instruments, as well as human remains and DNA launched by private companies. 

Navajo Nation President Asks for Delay of Moon Mission Carrying Human Remains

The commercial launch, scheduled for January 8, is slated to carry human remains to the lunar surface, which the Navajo Nation president calls a "desecration of this sacred space"

A view of Jupiter's moon Io captured by NASA's Juno spacecraft on December 30, 2023.

NASA Captures Stunning Images of Jupiter's Moon Io on Closest Flyby in 20 Years

The Juno spacecraft's instruments will help scientists better understand volcanic activity on the volatile moon's surface

A photo of Saturn taken by the Hubble Telescope last October. Small dark marks called ring spokes are visible on the planet's left side, just inside the widest black band of space between rings.

What Are These Mysterious Dark 'Spokes' on Saturn's Rings?

A Hubble image highlights the seasonal features, which scientists think could be caused by interactions between the planet's magnetic field and solar wind

Solar eclipse viewers at NASA’s Johnson Space Center on October 14, 2023

Nine Dazzling Celestial Events to Watch in 2024

Skywatchers can expect spectacular meteor showers, a comet soaring past Earth and a long-anticipated total solar eclipse

A Quadrantid meteor flies through the sky, as captured by NASA's All Sky cameras.

What to See in the Sky in January: Meteor Showers, Planets and Comets

From the Quadrantids to a "swarm of stars," here are the celestial spectacles you won’t want to miss this month

NASA engineers react to the first-ever high-definition video sent by laser from deep space, which feaures an orange tabby cat named Taters.

NASA Streams Video of a Cat Chasing a Laser From Deep Space

In a first, the agency beamed the playful clip to Earth from a distance 80 times farther than the moon

Data from the Hubble Space Telescope produced this new image of the galaxy UGC 8091.

See the 'Sparkling Snow Globe' Galaxy Captured by the Hubble Space Telescope

The new, holiday-inspired image features UGC 8091, an "irregular" dwarf galaxy in the constellation Virgo

Uranus with its rings and moons, showcasing storms and a polar ice cap on the planet. The new Webb image was produced by combining longer and shorter exposures.

See the James Webb Telescope's Stunning New Image of Uranus With Its Rings and Moons Clearer Than Ever

The gleaming ice giant could soon become a top priority for exploration

Advances in artificial intelligence and dinosaur discoveries were just some of the major science stories this year.

The Ten Most Significant Science Stories of 2023

From an asteroid sample that was delivered to Earth to a discovery about human migration from North America, these were the biggest moments of the year

An artist's rendering of one of the Voyager spacecrafts.

NASA's Voyager 1 Is Glitching, Sending Nonsense From Interstellar Space

The aging spacecraft, launched in 1977, is transmitting a gibberish pattern of ones and zeros back to Earth

Saturn's moon Enceladus, represented in a composite of several images taken by NASA's Voyager 2 probe

Life-Sparking Gas Strengthens Evidence That Enceladus, a Moon of Saturn, Could Be Habitable

Evidence of hydrogen cyanide in data from the Cassini spacecraft adds to a growing list of molecules that could, in theory, support life on the icy moon

The supernova remnant Cassiopeia A, captured by NASA's James Webb Space Telescope in near-infrared light. The image shows the expanding material from the blast colliding with gas released by the star before the explosion.

James Webb Telescope Captures Image of Supernova That 'Absolutely Shattered' a Star

The new image gives astronomers a near-infrared look at the stellar explosion called Cassiopeia A, located around 11,000 light years away from Earth

The consellation Orion and other stars in the sky in Alberta, Canada, in 2019.

An Asteroid Will Eclipse a Red Star in the Constellation Orion Monday Night

In the U.S., the rare event will only be visible from southern Florida, but it will be livestreamed from Italy for viewers everywhere

Our ten favorite science books of the year covered everything from astronomy to undersea exploration.

The Ten Best Science Books of 2023

From stories on the depths of the ocean to the stars in the sky, these are the works that moved us the most this year

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