Galaxies

This calibration proposal is the Cycle 15 routine internal monitor for WFPC2, to be run weekly to monitor the health of the cameras.

The Architecture of Exoplanetary Systems Are all planetary systems coplanar? Concordance cosmogony makes that prediction.

New York: The Hubble space telescope has discovered 67 "lensing" galaxies in the distant universe, under the massive COSMOS project to map space.

The Hubble Space Telescope has found methane in the atmosphere of a distant planet -- the same planet where water was found last year.

ABC News has been given unprecedented access to the astronauts, scientists and engineers involved in the intensive and some say risky shuttle mission to repair the Hubble Space Telescope later this year.