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Astronomy
August 1, 2026
August 2026: What’s in the sky this month? Solar and lunar eclipses, plus the Perseid meteors
Solar and lunar eclipses both occur this month, as Mars and Jupiter meet in the early morning and the Perseid meteor shower peaks.
Astronomy
July 31, 2026
Andromeda’s star formation is slowing down
Hubble data reveal a 500-million-year decline in Andromeda's star formation, with the steepest drop coming in just the last 40 million years...
Astronomy
July 31, 2026
How one student captured the universe without light
A British photography student has achieved a potential first: creating photographs by exposing film to cosmic radiation instead of light.
Astronomy
July 30, 2026
Astronomers just found the first atmosphere on a rocky exoplanet in the habitable zone
Astronomers caught helium escaping the habitable-zone world LHS 1140 b — a signal that strengthens the case for the planet's habitability.
Astronomy
July 29, 2026
Reader Gallery July 2026
Cosmic portraits from our readers.
Astronomy
July 29, 2026
2026 Full Moon calendar: When to see the Full Moon and phases
The next Full Moon will be the July Buck Moon, which occurs at 10:36 a.m. EDT on Wednesday, July 29, 2026.
Astronomy
July 28, 2026
July 2026: Astro Letters
Astronomy's editors respond to reader email.
Astronomy
July 28, 2026
RCW 36: A bird of prey sails away
RCW 36 boasts an open cluster of massive young stars at its heart, surrounded by glowing clouds of hydrogen gas.
Astronomy
July 27, 2026
China catches its first reusable booster
Just minutes after lifting off on its maiden voyage, a Long March 10B booster was recovered by a net-rigged ship at sea — a milestone in Chi...
Astronomy
July 27, 2026
How can I get a rock tested to see if it’s a meteorite?
Testing a rock to see if it’s a meteorite consists of examining its chemical makeup. Some companies provide testing for a nominal charge.
Astronomy
July 24, 2026
The Sky This Week from July 24 to 31: The Southern Delta Aquariids peak
Shooting stars streak overhead, but they’re fighting the July Full Buck Moon that shines brightly in the sky this week.
Astronomy
July 23, 2026
There are already 16,000 satellites in Earth’s orbit. How will we manage the next 100,000?
Researchers are testing whether AI and satellite-to-satellite learning can flag failures before they happen, as tens of thousands more satel...
Astronomy
July 22, 2026
SpaceX targeting Thursday for second launch of the world’s largest rocket
After a scrubbed countdown earlier this month, Starship Flight 13 will attempt to deploy 20 Starlink V3 satellites, relight a Raptor engine...
Astronomy
July 21, 2026
How can a young blue giant have a white dwarf companion star that’s billions of years older?
Born at the same time, the star that formed Sirius B started out more massive and evolved more quickly than its companion, Sirius A.
Astronomy
July 20, 2026
Underappreciated Serpens
If you’re looking for sweet celestial treats you haven’t seen a million times, aim your scope at the Serpent.
Astronomy
July 20, 2026
The best comets this century
Observers and imagers live for comets. Here are the top 20 from the past quarter-century.
Astronomy
July 17, 2026
The Sky This Week from July 17 to 24: Lunar time travel
See the Moon as it looked on July 20, 1969. Plus, check out Comet Tempel 2 as planet Mercury stands still in the sky this week.
Astronomy
July 15, 2026
Tianwen-2 arrives at target asteroid Kamoʻoalewa
China's asteroid sample-return probe has closed to within 20 kilometers of 469219 Kamoʻoalewa, kicking off its science campaign — just as ne...
Astronomy
July 15, 2026
Is this the first known binary system to produce two supernova remnants?
A hidden gamma-ray source near the Jellyfish Nebula may be remnants of the progenitor star’s long-lost sibling.
Astronomy
July 14, 2026
The first commercial space telescope delivers
Mauve, built by Blue Skies Space, has delivered its first datasets to researchers around the globe — the moment it's been building toward si...
Astronomy
July 13, 2026
How do planets clear out objects on the other side of their orbit?
Over billions of years, a planet will have encountered all the small bodies in its vicinity enough times to clear its orbit of them.
Astronomy
July 10, 2026
Euclid spots the oldest known quasars
The European Space Agency telescope’s discovery of 31 ancient quasars gives astronomers their first look at black holes from the universe's...
Astronomy
July 10, 2026
Did this black hole grow up before its galaxy?
JWST has weighed a monster black hole in the early universe — and it's forcing astronomers to rethink how quickly these giants formed.
Astronomy
July 9, 2026
JWST studies a supernova near the dawn of time
GRB 250314A is an ancient cosmic cataclysm caught by JWST's keen infrared eye. And it appears a lot like those that happen nearby.
Astronomy
July 8, 2026
What’s that in the sky?
See a light or a cloud in the sky you can't explain? With patience and a little experience, few objects will remain unidentified.
Astronomy
July 7, 2026
JWST reveals Roasted Planet’s extreme heat
JWST unveils Roasted Planet's extreme heat, with atmospheric shifts faster than expected.
Astronomy
July 6, 2026
How is the Moon 1% of Earth’s mass, but its gravity is 17% of Earth’s?
When it comes to surface gravity, mass does matter, but so, too, does size. This means the Moon can punch above its mass.
Astronomy
July 2, 2026
No place like home
Our views of Earth have changed dramatically over the years as our horizons broadened to orbit, the Moon, and beyond.
Astronomy
July 1, 2026
July 2026: What’s in the sky this month? Venus and Jupiter are visible in the evening, plus a conjunction of Mars and Uranus before dawn
Venus and Jupiter are visible in the evening, while there's a conjunction of Mars and Uranus in the predawn sky.
Astronomy
July 1, 2026
Exoplanets
Exoplanets are planets that exist outside our solar system. The first discovery of an exoplanet was in 1992, but now astronomers know of mor...
Astronomy
July 1, 2026
Exotic Objects
The universe is packed with exotic objects, including black holes, pulsars, gamma-ray bursts, magnetars, quasars, and more.
Astronomy
July 1, 2026
Deep-Sky Objects
Deep-sky objects are celestial objects that exist outside our solar system. Three major types of deep-sky objects are nebulae, star clusters...
Astronomy
July 1, 2026
Solar System
Our solar system consists of the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, as well as countless astroids an...
Astronomy
July 1, 2026
The Sky This Week
The Sky This Week
Astronomy
July 1, 2026
The Moon
The Moon is Earth's only natural satellite. Whether enjoying a lunar eclipse or observing the Moon's surface, it has many fascinating featur...
Astronomy
July 1, 2026
Telescopes and Equipment
Whether you're looking for a new telescope, eyepiece, binoculars, or anything else you need to up your observing game, we've got you covered...
Astronomy
July 1, 2026
Astrophotography
Photographing the night sky can be an intimidating task. But by following a few simple tips, you can start capturing your own stunning astro...
Astronomy
June 30, 2026
Vera C. Rubin Observatory begins its Legacy Survey of Space and Time
Vera C. Rubin Observatory's 10-year survey begins, promising unprecedented astronomical data.
Astronomy
June 26, 2026
Our planet’s electronic vulnerability
As our dependence on technology grows, even a single particle can disrupt electronics in orbit and on Earth.
Astronomy
June 25, 2026
Summer observing targets for small telescopes
Astronomy magazine contributing editor Michael E. Bakich walks through several of his favorite deep-sky targets for small telescopes.
Astronomy
June 24, 2026
Stargazing under city lights
Urban stargazing: Explore celestial wonders despite city lights and light pollution.
Astronomy
June 23, 2026
Summer observing targets for large telescopes
Astronomy magazine editor emeritus David J. Eicher shares 10 of his favorite summer deep-sky objects, including galaxies, nebulae, and more.
Astronomy
June 22, 2026
Capturing the night sky in Kyrgyzstan
After seeing these astrophotography nightscapes from Soumyadeep Mukherjee, you’ll want to put Kyrgyzstan on your vacation list.
Astronomy
June 17, 2026
Vera C. Rubin Observatory days away from launching decade-long sky survey
After years of construction and months of testing, the Chilean mountaintop telescope is nearly ready to begin the most ambitious astronomica...
Astronomy
June 15, 2026
Active black holes are more common than we thought
A new census found more active galactic nuclei in small galaxies than ever before, plus a sharp uptick in numbers as galaxy mass increases.
Astronomy
June 11, 2026
The real disclosure day: The protocols for announcing extraterrestrial intelligence
The International Academy of Astronautics published its first update to SETI's post-detection protocols in more than 15 years. Here's what c...
Astronomy
June 10, 2026
Untangling the cosmic web
From filaments and voids to superclusters of galaxies, astronomers are reading the blueprint of the universe.
Astronomy
June 9, 2026
NASA fails to reestablish contact, decommissions MAVEN
After six months of silence and a failed recovery effort, NASA has officially ended the MAVEN mission. The fragmented telemetry that sealed...
Astronomy
June 9, 2026
Kickstart summer with these new astronomy products
Check out Astronomy’s latest product recommendations: Celestron's Nature DX ED 10x42mm Roof Binoculars, 'Martian Impact Craters' by Peter J....
Astronomy
June 8, 2026