It took seven years and $27 million to create the first of seven mirrors for the Giant Magellan Telescope (GMT), but now UA astronomers and optical scientists are gearing up to crank them out much ...

Here’s what you need to know: It's a cloudy, wet and breezy start to the day. Temperatures are in the mid to upper 60s. Pockets of moderate to heavy rain will reduce visibility, bring slick travel and ...

It's clear, chilly and breezy. Temperatures are in the low to mid 50s. Today will be bright, brisk and breezy. Highs will be in the upper 50s to near 60 degrees. Overnight lows will be in the 40s and ...