Astronomers have chased the first stars for decades, squinting at the early universe for any hint of their brief, brilliant ...

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

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 ...

New observations from the James Webb Space Telescope hint that the universe’s first stars might not have been ordinary fusion-powered suns, but enormous “supermassive dark stars” powered by dark ...

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 ...

A discovery of binary stars could be the first step in building a more complete picture of how our galaxy formed, according to astronomers from The Australian National University (ANU). The discovery ...

Listen to more stories on the Noa app. To study the origins of our universe is to struggle with profound chicken-or-egg questions. We know the Big Bang happened. Cosmologists can see its afterglow in ...

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 ...