To celebrate the 100-year Edwin Hubble discovery that Andromeda was a galaxy outside our own, astronomers release the most ...

Day 10 of the 2024 Space Telescope Advent Calendar: the glow of hot, young stars. The James Webb Space Telescope captured a spectacular view of the galaxy I Zwicky 18 (I Zw 18). This galaxy ...

What’s that bright star in the sky after sunset ... the red planet appears to give off a golden glow for the rest of the night as it moves into the southern sky. Why is Mars so bright this ...

We'll complete our galaxy with happy faces for every planet! And guess what? It glows in the dark! How cool is that ... to feel as calm as a shooting star when you play with your very own Pop ...

“The stars are very sparse compared to the high stellar densities of the disk and the bulge, but the halo is dominated by dark matter and actually contains most of the mass of the galaxy.

Dark stars can be incredibly huge, stretching for thousands of light-years, while still having relatively low density. This would match observations of galaxy cores, which makes this an intriguing ...

dark stars are speculated to obtain their energy from self-annihilation of dark matter particles. As a result, energy is released that warms the ambient hydrogen and helium, and this leads the ...