University of Arizona

Blip in night sky tells story of cosmic catastrophe

(PhysOrg.com) -- NASA’s Astronomy Picture of the Day, taken by Adam Block of the UA’s Mt. Lemmon SkyCenter, shows the aftermath of a stellar explosion that happened 25 million years ago in an odd-shaped ...

Jan 30, 2012
4.4 / 5 (16) 11 | with audio podcast

Flies of the world embrace vegetarianism

(Phys.org)—Microbe-eating flies from at least three different locations around the world recently have evolved into herbivores, feeding on some of the most toxic plants on Earth. Fly detectives and UA evolutionary ...

Jan 29, 2013
4.3 / 5 (3) 1 | with audio podcast