Robert K. Cowen

A Comet's Fiery Finale

A galaxy that goes the distance.

A cool view of the heavens : infrared observatory spies a hidden universe.

Bullies of the universe : massive stars rob their smaller neighbors.

Coloring the cosmos. The sky's the limit.

Found: primeval galaxies. an abundance of ancestral galaxies revealed.

Galaxy M 101 : an ultraviolet portrait.

The little bang. Was our Galactic backyard the scene of past violence

Getting the blues : picturing the universe in the far ultraviolet.

Quasars without clothes.