Sex — It's pretty much, sex.
Asteroids and comets may have provided the spark but life needs a planet or moon to evolve.
A roundup of faith-based news in Tucson.
Participants will learn how grand juries work, help with academic study.
UA police investigating allegation that UA professor skimmed $130K from student operation.
A Tucson pension board decision likely means the city will pony up more for its nonpublic safety pension plan next year.
He was just a boy when his dad was killed, leaving Bill Kelley much to learn about the man his dad was through the many letters and writings he left behind and from the people who knew and served with him.
Professor James Knight is a big believer in the maxim that little things mean a lot.
Temperatures in the Southwest are rising faster compared to those of the U.S. as a whole, a new White House report ion climate shows.
OSIRIS-REx will grab a piece of an asteroid; the Large Synoptic Survey Telescope will explore the mysteries of the universe.
From his maximum-security prison cell in Pennsylvania, serial child molester Jerry Sandusky is casting a long shadow over Tucson.
The contrasting editorials on whether states or the federal government should control public education published last month fail to address the real causes of student underachievement: a growing dissatisfaction within the teaching profession that is impacting who goes into this career and ho…
For the second time ever, an astronomer saw an asteroid headed for Earth before it got here.
Helping others succeed by acting compassionately toward them can benefit you both mentally and physically, a UA professor told a Tucson audience at a lecture on happiness Wednesday night.
PHILADELPHIA — A former Arizona State University professor has been acquitted of allegations that he threatened screeners at Philadelphia's iconic Liberty Bell by telling them that he had explosives, which he said was a misunderstanding.
For Sebastian Quinac the trial of Guatemala's former dictator accused of genocide will shed light on a very dark chapter in his country's past.
Most doctors obtaining licenses to practice in Arizona have not been trained to diagnose valley fever, a vicious and potentially fatal disease.
The graffiti-abatement staff in Nogales, Sonora, works fast - apparently a little too fast.
This 16-year-old mural by Alberto Morackis, a locally famous muralist, was painted over by zealous graffiti-abatement workers in Nogales, Sonora.