The University of Arizona's College of Optical Sciences has been awarded a multi-million dollar contract by the Association of Universities for Research in Astronomy, or AURA, to polish the primary mirror for the Advanced Technology Solar Telescope, or ATST.

An international team of astronomers has discovered a fourth giant planet, HR 8799e, outside our solar system.

From the collaboration between Lowell Observatory, the largest private, non-profit astronomical research institution in the United States, and Discovery Communications Inc. is accomplished the $44 Million Discovery Channel Research Telescope designed with progeCAD.

Lowell Observatory astronomer Deidre Hunter and her team studies small, diffuse galaxies to learn about star formation in those regions and, perhaps, shed light on the birth of the first stars after the Big Bang.

Ground-based telescope captures first visual images of storm clouds over the tropics of Saturn's largest moon.