PhoSim simulates the atmosphere, including air turbulence, as well as distortions from the shape of the telescope’s mirrors and the electrical properties of the sensors. The photons are propagated ...

In looking over the shortlist for the Astronomy Photographer of the Year 2025 competition, I thought about how I’ve seen tho ...

The shortlist for Astronomy Photographer of the Year 2025 features 30 photographs selected from more than 5,800 global ...

Once a realm of imagination and stargazing, the Solar System has now been revealed in stunning clarity through decades of ...

Dark matter makes up 85% of the universe, but researchers, including Vera Rubin herself, historically have had a hard time ...

NASA's Parker Solar Probe has captured the closest-ever images of the Sun, taken just 3.8 million miles from its surface. The jaw-dropping photos reveal intricate details of the solar wind—streams of ...

Names are a strange thing in astronomy. Sometimes scientists come up with grandiose, simple name, like the Extremely Large ...

In a landmark moment for modern astronomy, the Vera C. Rubin Observatory has unveiled its first-ever test images, and they’re ...

Explore the jaw-dropping astro images shortlisted for this year's competition, and let's guess who might take home the ...

The Vera Rubin Observatory launched and produced its first images on June 23, 2025. The Chilean-based observatory will be ...

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

The experimental director Jem Cohen’s latest is an uncategorizable film about astronomers and humanity and love and the stars ...