James Webb Space Telescope

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

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

The Penguin and the Egg are about 100,000 light-years apart.

James Webb's Newest Image Shows a Giant Penguin and an Egg

NASA released the dazzling portrait to help celebrate the two-year anniversary of the release of Webb's first images

An artist’s depiction of HD 189733b encountering an eruption of x-rays from the star it’s orbiting

This Nearby Exoplanet Is Hot, Dangerous—and Smells Like Rotten Eggs

Located about 64 light-years away from Earth, the world is the first place astronomers have detected hydrogen sulfide outside our solar system

The environment surrounding the galaxy system where the two black holes are merging. The event is occurring in the distant universe, around 13 billion years ago.

James Webb Telescope Detects Earliest Known Black Hole Merger, Just 740 Million Years After the Big Bang

The new observations could help explain how black holes became so massive in the early universe

An artist's concept of 55 Cancri e and its sun. The star is much closer to its sun than any planet in our solar system, so it is too hot to support life.

Astronomers Discover an Atmosphere on a Hot, Rocky Exoplanet With an Ocean of Magma

It's the best evidence yet of an atmosphere on a rocky planet outside our solar system, researchers say, and studying the distant world could provide insight into Earth’s early days

A close-up of the "mane" of the Horsehead Nebula, located some 1,300 light-years from Earth. This view was captured by the James Webb Space Telescope's Mid-Infrared Instrument.

See New Images of the Horsehead Nebula, Captured in Striking Detail by the James Webb Telescope

The beautiful infrared imagery features one of the best known locations in space to study the evolution of stars and interstellar matter

Spiral galaxy NGC 628, located 32 million light-years away in the constellation Pisces, as captured by the James Webb Space Telescope in near- and mid-infrared light. The red and orange spirals represent gas, while the small blue dots represent stars.

See Dazzling New Images of 19 Spiral Galaxies Captured by the James Webb Space Telescope

These detailed infrared views, which contain millions of stars, will help astronomers better understand star formation and the evolution of spiral galaxies

An artist’s rendering of a pantheon of planets similar to Earth

This Planned NASA Telescope May Help Us Identify Worlds Like Our Own

The innovative Habitable Worlds Observatory will offer ways to detect signs of life on other planets

A picture taken by the Hubble Space Telescope that contains GN-z11, the galaxy with the newly discovered black hole at its center. When GN-z11 was first imaged, it was the farthest galaxy ever seen in the universe.

Astronomers Discover the Oldest Known Black Hole, Breaking a Record Set Last Year

The supermassive structure dates to about 400 million years after the Big Bang, and it’s particularly large for its age

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

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 James Webb Space Telescope captured this long-wavelength color composite image of the Orion Nebula using its Near Infrared Camera (NIRCam) instrument.

Mysterious Planet-Like Objects in the Orion Nebula Are Baffling Astronomers

The James Webb Space Telescope has observed dozens of Jupiter-mass, often paired objects, nicknamed JuMBOs, raising questions about how they formed

An artist's concept of a simulated view from the rough, icy surface of the moon Europa with Jupiter looming over the horizon.

Jupiter's Moon Europa May Contain Carbon, a Crucial Ingredient for Life

The James Webb Space Telescope found carbon dioxide on Europa's surface, and astronomers say it likely originated in the moon's vast ocean

The James Webb Space Telescope will help scientists look for signs on life on other planets.

What Would Signal Life on Another Planet?

Astronomers have long debated what kind of chemistry might serve as a bona fide alien biosignature

An artist's rendition of exoplanet K2-18 b and the dwarf star it orbits. New observations from the James Webb Space Telescope support the idea that the world, discovered in 2015, has a hydrogen-rich atmosphere and water ocean.

This Exoplanet May Be a Distant Ocean World, James Webb Telescope Finds

The observatory detected evidence of methane and carbon dioxide—and tentatively observed a molecule that, on Earth, is only made by living things

The "cosmic question mark" in an image taken by the James Webb Space Telescope

What Is This 'Cosmic Question Mark' Captured by the James Webb Space Telescope?

Astronomers say the distinct, punctuation-like shape could be a result of galaxies merging

An image of the Ring Nebula captured by the James Webb Space Telescope. The interior of the ring is filled with hot gas and the ring itself is a complex structure made up of thousands of dense clumps of hydrogen gas.

James Webb Telescope Captures the Glowing Ring Nebula in Magnificent Detail

The colorful ring, located some 2,600 light-years away from Earth, is made from the remnants of a dying star

The James Webb Space Telescope's first image of Saturn.

See the James Webb Telescope's First Image of Saturn and Its Rings

The new shot also features three of the planet's many moons, including Enceladus, a strong candidate for hosting life

Data from Webb’s Near-Infrared Camera were used to make this extremely detailed image of the Southern Ring Nebula.

Seven Amazing Accomplishments the James Webb Telescope Achieved in Its First Year

The observatory has yielded jaw-dropping shots—and surprising facts—about our universe

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