Space. It's really, really big. How big is it? Well, according to astronomers, the observable universe is around 92 billion light-years in diameter, but that's all we can see (hence the word ...

Stevenson 218 is the largest known star in the universe, located about 18,900 light-years away in the constellation of Scutum and far surpassing even the sun in size and brightness. So immense that it ...

Sagittarius B2, a massive molecular cloud near the center of the Milky Way, is densely packed with stars and complex magnetic ...

NASA's powerful James Webb Space telescope has revealed a colorful spread of stars and cosmic dust in the Milky Way's most active star-forming region. The telescope was studying Sagittarius B2, a ...