If you were watching the 2024 solar eclipse, you might have noticed a burst of red at the bottom of the moon. What was it? Turns out, it was something called a solar prominence. According to NASA ...

The April 8 total solar eclipse, showing a pronounced prominence at bottom. To observers on the ground, the prominences appeared as red dots along the perimeter of the eclipse. We were hoping for ...

The James Webb Space Telescope has given us a view of the earliest moments of galaxy formation in the Universe.

In this situation, the red-dot sight—in this instance I was behind Vortex’s Sparc solar red dot—was the perfect tool for the moment. But as I’ve slowly transitioned to red-dots on all my turkey guns, ...

The early universe seems to be filled with unexpected Little Red Dots that astronomers have struggled to explain. Now one astrophysicist has proposed an answer.

The problem with the AGN model for the little red dots is that their intensity in ... which puts them at around 10,000 to 1,000,000 solar masses, which is much smaller than typical supermassive ...