Astronauts on the space shuttle Atlantis maneuvered within sight of the Hubble Space Telescope Wednesday, readying a robot arm to grab the 13.2-meter- (43.5-feet-)long observatory to ready an ambitious overhaul.

Astronauts on the shuttle Atlantis sailed toward a rendezvous with the Hubble Space Telescope on Wednesday, set to grab the 13.2-meter- (43.5-feet-)long observatory for an ambitious overhaul.

Astronauts on the space shuttle Atlantis maneuvered within sight of the Hubble Space Telescope Wednesday, readying a robot arm to grab the 13.2-meter- (43.5-feet-)long observatory to ready an ambitious overhaul.

Astronauts on the shuttle Atlantis sailed toward a rendezvous with the Hubble Space Telescope on Wednesday, set to grab the 13.2-meter- (43.5-feet-)long observatory for an ambitious overhaul.

US astronauts on Tuesday sped toward a high-risk mission to service the Hubble telescope for the last time, extending the life of a tool that has revolutionized the study of the universe.

US astronauts are on a high-risk mission to service the Hubble telescope for the last time, prolonging the life of a tool that has revolutionized our understanding of the universe.

US astronauts blasted off on a high-risk mission to service the Hubble telescope for the final time, prolonging the life of a tool which has revolutionized humankind's understanding of the universe.

US astronauts blasted off Monday on a final, high-risk mission to service the Hubble telescope, which has revolutionized humankind's understanding of the universe.

US astronauts blasted off Monday on a high-risk mission to service the Hubble telescope for the final time, prolonging the life of a tool which has revolutionized humankind's understanding of the universe.

US astronauts took off Monday at the start of a high-risk mission to service, for the last time, the Hubble telescope, which has revolutionized humankind's understanding of the universe.

US astronauts have boarded the space shuttle Atlantis for Monday's launch of a high-risk mission to service for the last time the Hubble telescope, which has revolutionized humankind's understanding of the universe.

The US space agency said it was on target to launch Monday the space shuttle Atlantis on its high-risk final mission to service the Hubble telescope.

The US space agency said it was on target to launch Monday the space shuttle Atlantis on its high-risk final mission to service the Hubble telescope.

The US space agency said it was on target to launch Monday the space shuttle Atlantis on its high-risk final mission to service the Hubble telescope.

The US space agency said it was on target to launch Monday the space shuttle Atlantis on its high-risk final mission to service the Hubble telescope.

The US space agency said it was on target to launch Monday the space shuttle Atlantis on its high-risk final mission to service the Hubble telescope.

NASA is on target to launch the space shuttle Atlantis on its high-risk final mission to service the Hubble telescope, according to the US space agency.

NASA is on target for its launch of the space shuttle Atlantis on its final mission to service the Hubble telescope, the US space agency said on Sunday.

The Hubble space telescope, the object of NASA's fifth and last servicing mission next week, is a veritable time machine that has revolutionized humankind's vision and comprehension of the universe.

NASA has announced that conditions are favorable to launch its final shuttle mission to the Hubble space telescope on May 11.