There are several candidates for the biggest star in the universe. One of them, VY Canis Majoris, is over 1,500 times the ...

Space Mysteries: If the universe is 13.8 billion years old, how can a star be more than 14 billion years old?

The universe's biggest stars are 20 times the size of the Earth's sun and at least five times as hot. They go out with a bang.

What is the biggest star in the universe? The largest known star in the universe is UY Scuti. It has an estimated radius of 1.188 billion kilometers.

At an estimated 832,000 light-years across, it is arguably the largest known spiral galaxy, although its tidal arms and distorted shape are likely temporary on cosmic timescales.

Astronomers have come a long way in understanding how stars form today, but the question of how the universe's first stars formed is an enduring mystery. While the topic remains complex and ...

How The First Stars In The Universe Came Into Existence Date: August 1, 2008 Source: American Association for the Advancement of Science Summary: How the first stars formed from dust and gas has ...