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 ...

Venus: Venus dazzles in the eastern sky before sunrise, shining brightly for a couple of hours each morning. It’s joined by ...

Explore the warped spiral galaxy NGC 3718 and its neighbor NGC 3729 — a dynamic duo of deep-sky oddities in the constellation Ursa Major.

The sky starts to get dark enough to see bright ... the Serpent Holder, a large and faint constellation above Scorpius. Ophiuchus makes a large, narrow, five-sided shape – rather like a tall A-frame ...

Don’t miss June’s night sky! You can spot stunning stars, planets, and constellations; here’s how you can see them ...

Sauk Prairie will get a glimpse of one of the two eclipses that will occur over the next thirty days. The total solar eclipse is only visible over the Atlantic ...

Tunç Tezel from Bursa, Turkey Venus loops through the evening sky in this composite image capturing its movement from July ...

To make a truly realistic fake picture of a galaxy, you can model exactly how light particles travel through the atmosphere and telescope to reach its sensor.

By Sejal Mandal A glowing ‘tadpole’ formation lit up the night sky as SpaceX launched 26 Starlink V2 Mini satellites from California.

We are entering a new era of cosmic exploration. The new Vera C Rubin Observatory in Chile will transform astronomy with its ...

Look to the east before sunrise on June 22 to catch the delicate form of the crescent moon shining with Venus alongside the Pleiades star cluster.