Astronomy

A potential polar ring galaxy called NGC 4632. The composite image combines a capture of the galaxy's main disk, taken with the Subaru Telescope, with radio wave data of the hydrogen ring, which has been digitally colorized as white.

'Spectacular' Polar Ring Galaxies May Be More Common Than Thought, Study Suggests

Astronomers have found two candidates for this rare type of galaxy, surrounded by a halo of hydrogen gas—and they could provide insights about dark matter

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

Dimorphos, a moonlet orbiting the asteroid Didymos, as seen by NASA's DART spacecraft 11 seconds before impact from 42 miles away.

The Asteroid Hit by NASA Seems to Be Moving Strangely, High School Students Find

After the DART spacecraft made contact with Dimorphos last year, the space rock's orbit is declining more than expected, according to preliminary research

Comet Nishimura, as imaged on September 7. On Tuesday, the comet will pass within 78 million miles of Earth, the closest it will get for more than 400 years.

Newly Discovered Green Comet Is Passing By Earth This Week

Comet Nishimura, which appears only once every 435 years, is on track to approach the sun and shoot into deep space

An artist's rendering of the X-Ray Imaging and Spectroscopy Mission. The satellite will measure X-rays to deepen science's understanding of the universe. 

Japan Launches X-Ray Satellite and Lunar Lander to Space

The satellite will study large bodies in the cosmos, while the lander will attempt to land at a precise location on the moon's surface

Gemini South on the summit of Cerro Pachón in Chile (left) and Gemini North on the summit of Maunakea in Hawai’i (right).

Hackers Target Telescopes, Forcing Them to Pause Operations

Two major telescopes in Hawaii and Chile and a handful of smaller observatories have been offline for weeks following an apparent cyberattack

A supermoon rises in Washington, D.C., on March 9, 2020.

How Rare Is the 'Super Blue Moon' Appearing in Skies Later This Week?

And why do they even call it a "blue moon" when it won't actually be that color?

Neptune, captured by the Voyager 2 spacecraft. A new study finds a link between the planet's cloud coverage and solar activity.

Neptune's Clouds Have Disappeared, and the Sun Might Be Responsible

Scientists have linked shifts in the distant planet's cloud coverage to the ever-oscillating solar cycle, which is due to peak soon

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

In its second installment, “AeroEspacial” tells the story of the Arecibo Observatory in Puerto Rico, which housed the world’s largest radio telescope for over 50 years.

An In-Depth Look at Latino History Among the Stars and Skies

This summer, a podcast series from the National Air and Space Museum discusses Operation Pedro Pan, Latino Futurism and “Star Wars”

A group poses in front of Michigan State University's first observatory, circa 1888.

Students Unearth Forgotten 142-Year-Old Observatory Buried on Michigan State's Campus

Archaeology students have been working at the site since workers happened upon it in May

The surface of Mars’ Pontours rock contains a network of hexagonal mud cracks that hints at historical seasons of flooding and drying.

Mud Cracks on Mars Hint at Conditions That Could Have Formed Life Long Ago

Hexagonal ridges on the Red Planet's surface suggest an ancient cycle of wet and dry periods, ideal for creating molecules necessary for cells

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

A meteor streaks across the sky during the 2016 Perseid meteor shower in Spruce Knob, West Virginia.

How to Watch the Highly Anticipated Perseid Meteor Shower

This weekend, sky conditions will be almost perfect to catch a glimpse of shooting stars during one of the year's best celestial shows

A test image taken by Euclid's infrared light instrument showing distant stars and galaxies.

See the First Stunning Test Images From the Euclid Space Telescope

Meant to study the “dark universe,” Europe's space observatory will eventually peer ten billion years into the past and map more than one-third of the sky

An artist's depiction of one of NASA's Voyager spacecraft entering interstellar space.

NASA Hears 'Heartbeat' From Voyager 2 After Losing Touch With the Distant Probe

The space agency has been trying to contact the 46-year-old craft after accidentally causing its antenna to point two degrees away from Earth

Southern Delta Aquariids meteors and the Milky Way above Mount St. Helens

How to Watch the Striking Southern Delta Aquariids Meteor Shower

The spectacle is among several showers brightening skies this week, including the highly anticipated Perseids

Holland America Line is hosting two solar eclipse cruises, including on aboard the MS Koningsdam.

You Can Watch the 2024 Total Solar Eclipse From Aboard These Cruise Ships

Several cruise lines are offering special sailings for the rare celestial spectacle on April 8, 2024

RCW58, a Wolf-Rayet bubble nebula, is made of ejected material from the star WR 40, which shines at the center of the image.

See Ten Dazzling Space Images From the Astronomy Photographer of the Year Awards

From comets to nebulas to the Milky Way, the shots shortlisted in the annual competition capture the beauty of the cosmos from Earth

An artist's rendition of the highly reflective exoplanet LTT 9779 b orbiting its host star.

This Mirror-Like Exoplanet Is the Most Reflective Ever Discovered

The ultra-hot world is wreathed in metallic clouds that prevent the planet from evaporating and keep its atmosphere intact

Page 5 of 47