Stars are born deep inside vast clouds of gas and dust scattered throughout galaxies. Through powerful gravitational forces, these cosmic nurseries slowly collapse until new stars ignite. This video ...

Massive star clusters may have blasted enough ultraviolet radiation into space to transform the early universe, new research ...

Nearly all stars are found inside or around galaxies, because that’s where the conditions are right for stars to form. Within galaxies, stars form inside cold, dense molecular gas clouds like those ...

Subatomic particles, gravity wells and the beginning of the universe – these are difficult and mysterious concepts that are better understood with storytelling and metaphor. That's exactly theoretical ...