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

Created more than 2,000 years ago, the Antikythera mechanism tracked the movements of celestial bodies.

Gravitational Wave Scientists Are Unraveling the Mysteries of the World's Oldest Analog Computer

A new study challenges a core assumption about the Antikythera mechanism, a 2,000-year-old device that inspired the latest "Indiana Jones" film

One of Cassini's last looks at Saturn and its main rings from a distance, produced by combining images taken in October 2016

Here’s What We’ve Learned About Saturn Since Cassini Entered Its Orbit 20 Years Ago

The Cassini-Huygens mission increased our understanding of the planet’s rings and moons

An abandoned house in the Namib Desert with the Milky Way rising above it.

See Ten Awe-Inspiring Images From the Astronomy Photographer of the Year Contest

Auroras, nebulas and stars take the spotlight in this space-themed competition, alongside shots of our own sun and moon

The International Space Station, as seen from the Space Shuttle Discovery in 2007.

NASA Will Pay SpaceX Up to $843 Million to Destroy the International Space Station

After the end of this decade, the company will guide the aging laboratory into the Pacific Ocean, where many retired spacecrafts have been deposited

The European Space Agency's Planetary Defense Office tracks and observes near-Earth objects passing by our planet, such as those shown in this illustration. 

Two Massive Asteroids Will Fly Past Earth This Week. Here's What to Know

Within 42 hours of each other, the pair of large asteroids, which both have no chance of impacting our planet, will approach Earth as they orbit the sun

Jupiter's Great Red Spot is a large storm that has persisted for at least 190 years.

Jupiter's Signature Red Spot May Have Evolved More Than Once

The planet's massive storm, known as the Great Red Spot, seems to be different from a spot first observed at roughly the same location in the 17th century, a new study finds

An illustration of the Boeing CST-100 Starliner spacecraft, currently docked to the International Space Station as engineers troubleshoot helium leaks and thruster issues.

Starliner Astronauts Will Remain on Space Station Until July Amid Technical Issues

NASA and Boeing have delayed the crewed mission's return to Earth again, as engineers assess helium leaks and a thruster issue on the spacecraft's service module

During a major lunar standstill, the northernmost and southernmost moonrise and moonset are at their farthest apart.

A 'Major Lunar Standstill' Is Happening This Year—and Friday's Full Moon Offers 'Dramatic' View

From now through much of next year, the moon will periodically rise and set at its most extreme points, thanks to a rare celestial phenomenon that only occurs every 18.6 years

The Milky Way spreads across the night sky above the Vera C. Rubin Observatory. 

This Revolutionary New Observatory Will Locate Threatening Asteroids and Millions of Galaxies

Beginning next year, the Vera C. Rubin Observatory will use the world’s largest digital camera to give us a whole new view of the universe

An artist's rendering of the Voyager 1 spacecraft entering interstellar space.

After Months of Glitches and Gradual Fixes, Voyager 1 Is Fully Operational Once Again

Currently 15 billion miles away from Earth, one of NASA’s longest-tenured spacecraft is back from the brink after a technical failure last year put its future in question

Purple squares illustrate auroras on Mars, as detected by NASA’s MAVEN orbiter between May 14 and May 20. The brighter the purple, the more auroras present.

Mars Was Hit With a Solar Storm Days After Earth's Aurora Light Show, NASA Says

Studying this event could hold lessons for scientists about how to protect astronauts from radiation on future trips to the Red Planet

The planet-forming disk is made of gas and dust.

This Giant Cosmic 'Butterfly' Is a Planet-Forming Disk

New research has confirmed that the celestial object may be the biggest of its kind ever found

The Milky Way is visible at Black Canyon of the Gunnison National Park in western Colorado.

These National Parks Are Hosting Astronomy Festivals in 2024

Get outside, ditch the light pollution and marvel at the cosmos on these protected public lands

The northern lights appear near Saskatoon in Saskatchewan, Canada, on May 11, 2024.

Missed the Auroras in May? Here’s How to See Them Next Time

Three veteran aurora chasers and a NASA scientist share everything you need to know to check these dazzling displays off your bucket list

An illustration of our solar system's planets in a line. This week, six planets appeared to be in a line from Earth's perspective, but they did not acutally align in space.

Missed the 'Parade of Planets'? These Upcoming Alignments Will Likely Be Better, Anyway

Astronomers tempered expectations of the celestial event this week, pointing to others in the near future as more exciting opportunities for sky watchers

A computer-generated model of Sif Mons, a volcano on Venus. The new study found evidence of recent volcanic activity at Sif Mons and the Niobe Planitia region.

Venus Might Still Have Active Volcanoes, as Recent Lava Flows Suggest 'Ongoing' Eruptions

Astronomers have again discovered evidence of recent volcanic activity on Earth's sister planet in data from the 1990s

Euclid’s new image of star-forming region Messier 78, a nebula that lies in the constellation Orion.

See Five Dazzling New Images of the Cosmos, Captured by Europe's Space Telescope

With its visible and infrared photography, Euclid—known as the "dark universe detective"—is helping astronomers better understand dark matter and dark energy

An illustration of the sun's magnetic fields overlaid on an image of the sun captured by NASA's Solar Dynamics Observatory in 2016.

Researchers Trace the Origin of the Sun's Magnetic Field, Shedding Light on Space Weather and Solar Cycles

In a new study, scientists suggest the sun's magnetic field originates much closer to the star's surface than previously thought, a finding that could boost predictions of solar activity

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