The universe's first galaxies were hot messes, according to a recent study. During their younger days, they were wild, ...

Understanding how the universe transitioned from darkness to light with the formation of the first stars and galaxies is a key turning point in the universe's development, known as the Cosmic Dawn.

Pt. I, Stars, planets, and life : -- The size and scale of the universe -- From the day and night sky to planetary orbits -- Newton's Laws -- How stars radiate energy (I) -- How stars radiate energy ...

A groundbreaking set of supercomputer simulations is offering a vivid glimpse into how the universe’s first stars, known as Population III stars, emerged from the chaos of the early cosmos. These ...

Understanding how the universe transitioned from darkness to the emergence of stars marks a critical shift known as Cosmic Dawn. Yet, astronomers have struggled to unravel details about the first ...

Massive stars do not live long. There are several candidates for the biggest star in the universe. One of them, VY Canis Majoris, is over 1,500 times the width of the sun. If it were placed in our ...

"This is a unique opportunity to learn how the universe's first light emerged from the darkness." Astronomers could use specific radio signals from the universe's earliest epoch to "weigh" the first ...

Stars are the original nuclear fusion reactors. As it evolves, a star continuously fuses hydrogen, helium, and—if it becomes big enough—heavier elements, releasing the energy created into space as ...