Ancient Chinese astronomer Shi Shen’s star catalog, known as The Star Manual of Master Shi, is now considered the oldest star ...

For more than two thousand years, people have mapped the stars. But a new study claims one of the world’s oldest surviving ...

But how much do we really know about our closest star ... Without the Sun’s heat, Earth would become a frozen, lifeless rock within a week. The average global surface temperature would plummet ...

Another blistering temperature comes from the sun's surface ... the star's mass against the outward pressure, and the sun would collapse, NASA says. Almost the same size as Earth: James ...