One month ago, the Vera C. Rubin Observatory gave us our first look at its cosmic vision, now poised to reshape astronomy for a generation. ICYMI, here’s what those first images revealed.

The waning crescent Moon appears to plow through the Pleiades cluster this morning with occultations visible across North and Central America.

Explore Purgathofer-Weinberger 1. Lying about 1,300 light-years away, it is the second-largest planetary nebula in our sky.

Don’t just watch the 2027 total solar eclipse — experience it in style. Join us for a once-in-a-lifetime 12-night Nile cruise through Egypt, complete with exclusive tours of ancient temples, pyramids, and historic wonders.

Axiom Mission 4 returns to Earth after 18 days aboard the ISS, marking historic firsts for India, Poland, and Hungary in human spaceflight.

Fifty years ago, American and Soviet spacecraft met in orbit for the first time, marking a significant step forward in international cooperation on human spaceflight.

Asteroid 4 Vesta stands near a background star in the evening sky, creating a temporary artificial double star to enjoy.

Test your knowledge with this short quiz about the cosmos, from planets to stars and beyond.

As the Moon reaches New, advanced observers can try photographing 3I/ATLAS while everyone can enjoy gorgeous nebulae and more in the sky this week.

We still get transits of Titan’s shadow across Saturn for a few more months — catch this one early in the morning.

Celebrate International Moon Day with Starmus by sharing your best Moon images. Submit via Instagram DM for a chance to be featured!.

It’s been two weeks since we spotted 3I/ATLAS — and it might be the oldest comet ever seen. Here’s what we know now.

On July 17, 1975, American and Soviet spacecraft met in orbit for the first time, signaling a step forward for international cooperation on human spaceflight.

The solar system’s smallest planet comes to a standstill in the evening sky before starting its retrograde motion for the next few weeks.

Spot the Broken Engagement Ring asterism near Merak in Ursa Major — a dazzling semicircle of stars easily viewed with binoculars or a low-power telescope.

Astronomers have detected the most massive black hole merger ever observed. GW231123 challenges what we thought we knew about how black holes form.

At incredibly small scales, the universe operates according to the unfamiliar rules of quantum mechanics. And Planck’s constant is in charge.

Astronomers have identified planets forming in a baby solar system — younger than any other seen before.

Early birds can catch our satellite just 3° from two giant planets in Pisces.

Discover the Helix Galaxy, located 42 million light years away. It is an unusual object as it is both a polar ring and a lenticular galaxy.