Quasar Origins Explained by Studying Distant Galaxies

Quasar origins have been a mystery to astrophysicists since they discovered these quasi-stellar radio sources sixty years ago. Find out how a team of researchers have discovered that quasars ignite when galaxies collide.

Massive Stars Forming in Tarantula Nebula

Massive Stars: Can They Form on Their Own?

Massive stars produce the heavier elements from which we're all made. Find out how the Hubble Telescope is shedding new light on where they came from. (4:30 min read time)