So how many stars are there? Given all of the above, astronomers estimate that the Milky Way contains around 100 billion ...

The Methuselah Star, also known asHD 140283, has long been a subject of fascination among astronomers. Its age, initially ...

HD 140283, better known as the Methuselah star, is around 200 light-years from Earth, in the constellation of Libra. It is ...

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 solar system, it would stretch to ...

Doesn’t seem like much of a brainteaser, does it? Everyone knows the sky darkens at night because the sun sets … or more accurately, because our part of planet Earth rotates away from the sun, and ...

Even before the first stars lit up the Universe, the Cosmos was not the cold place most researchers once imagined. New results suggest that the so-called cosmic “dark ages,” the muted era between the ...

A team of astronomers believe they may have found the most "pristine" star in the universe to date. According to the team, ...

A discovery of binary stars could be the first step in building a more complete picture of how our galaxy formed, according ...

A star found in the Large Magellanic Cloud is remarkably unpolluted by heavier elements, suggesting it is descended from the ...

"This gives us a new way to rule out certain black hole scenarios for dark matter." New research suggests that primordial black holes created during the Big Bang could have played a major role in ...