FBI and sheriff's personnel continue to search for Nancy Guthrie in the Tucson area. No suspects have been named as search ...

Pima County Sheriff Chris Nanos said the results that investigators have received from DNA testing in the Nancy Guthrie case ...

One might not imagine such a time being conducive to the existence of fragile lifeforms, yet it is likely to be the era in which Mars was most habitable ...

Dust from asteroid Bennu is revealing a surprising origin story for life’s building blocks. New research suggests some amino acids formed in frozen ice exposed to radiation, not warm liquid water as ...

Organic compounds found in Mars rocks are too abundant to rule out the possibility of Martian life in the red planet’s history, NASA scientists say.

Penn State researchers think a key ingredient for life may have formed in deep freeze, not in a warm asteroid puddle. A space sample with a new twistScientists at Penn State; led by geoscientist ...

The curious minds at What If imagine a meteorite crashing straight into your home, examining the instant destruction and aftermath of such an event.

Police and university officials are investigating the death of an 18-year-old NAU student after an off-campus fraternity rush event in Flagstaff.

Arizona college student dies after allegedly attending fraternity rush event at Northern Arizona University. Three Delta Tau ...

A car belonging to an Arizona woman who disappeared nearly two weeks ago was found with blood stains inside and damage throughout the vehicle, according to media reports citing new court documents.

After Maleeka Boone’s body was recovered, authorities announced that the Coalmine area would “be on lockdown until further notice” Kimberlee Speakman is a digital writer at PEOPLE. She has been ...

A woman was found in a "mummified state" inside her burglarized home in Bullhead City, according to police officials. Police believe the woman died of natural causes as there were no immediate signs ...