Many of the world’s leading amateur astronomers, dark-skies advocates and solar science experts are gathered at a joint meeting in Tucson this weekend, and the public is invited to experience their talents and hardware. Read more» 
Special thanks
to our supporters
- Jodi Cavanaugh
- Anita Johnson
- Chris Janton
- Rick Unklesbay
- Andrea Rickard
- Access Tucson
- Edna Gray
- Humberto Lopez — HSLopez Family Foundation
- Hunter S. Thompson
- John S. and James L. Knight Foundation
- NewsMatch
- & many more!
We rely on readers like you. Join them & contribute to the Sentinel today!
Hosting provider
Proud member of
Fulfilling decades of promise, the international Large Binocular Telescope on Mount Graham is now capable of delivering the sharpest images of the universe ever taken. Read more»
A Tucson scientist was part of the recovery team for a seven-year Japanese mission that could provide the first asteroid sample ever returned to Earth. Read more»
Could Saturn’s cold, cloud-covered moon Titan host an exotic form of primitive life based on methane, in sharp contrast to the water-based life of Earth? Read more»
Globe at Night, which promotes the value of dark skies, set a record in 2010 with more than 17,800 measurements of night sky light pollution. The program teaches about the impact of excessive artificial lighting on local environments, and the ongoing loss of a dark night sky as a shared natural resource. Read more»
NASA's Phoenix Mars Lander mission is officially over, thanks to sharp pictures from a Mars-orbiting camera that appear to show the collapse of the lander's solar panels due to an expected coating of heavy winter frost. Read more»
A local home-schooled 13-year-old member of the Sahuaro Girl Scouts has won second prize in a NASA-led contest designed to encourage teens to consider careers in science and technology. Read more»
An exhibition equal parts science, sculpture and horror show opens to the public Saturday as part of the Downtown Tucson Partnership’s continuing effort to enliven Tucson’s main urban corridor. Read more»
The Obama administration’s new direction for NASA's human spaceflight program should be a modest benefit to Tucson’s aerospace community in the short term, but could be a major boost should its admittedly vague long-term goals pan out. Read more» 1
Two researchers from Arizona and Arizona State universities are being hailed in the field of astrobiology, and a UA professor was elected to the National Academy of Sciences. Read more» 1
World-famous primate researcher and conservationist Dr. Jane Goodall will speak at Pima Community College's northwest campus on Wednesday. Read more»
One of the next prominent signs of life in the ongoing revitalization of downtown Tucson may be a public exhibition of 160 specimens of cadavers and body parts. Read more» 3
