Topic: University of Colorado

'4/20' marijuana celebration notes security lessons from Boston Marathon bombing

Large crowds are expected to congregate for today's annual '4/20' marijuana smoke-in and celebration around the US. Given this week's Boston Marathon bombing, police are on high alert.

Antarctic ice samples: What do they say about global warming?

USA Update Who knew what, when about shooting suspect James Holmes?

James Holmes plea rejected: Are prosecutors prepping for death penalty?

Volcanic eruptions might lessen greenhouse effects

Global warming: Yet another threat to Southwest's iconic pinyon pine?

James Holmes in court Monday: What will his defense be? (+video)

Sports in 2012: here are some Monitor highlights

US government waives pollution laws for 1,500 underground water supplies

The Monitor's top 11 US stories of 2012

Space spider dies in D.C. after surviving 55 days in space

They may have voted to legalize, but marijuana restrictions remain for students

Youth vote not as fired up as in 2008. Could that trip up Obama?

Physics Nobel goes to quantum theorists

US, French scientists awarded Nobel Prize in physics (+video)

Opinion In quest for jobs, Fed chair Bernanke's money spigot hurts economy in long run

Doctors' advice to keep older patients off the road can save lives, study finds

James Holmes trial: Prosecutors want access to a notebook

New generation of vets find camaraderie, services online

Do Martian clay deposits prove existence of liquid water? No.

New Mars theory paints a drier picture of the Red Planet (+video)

Colorado shooting prosecutors would face uphill battle with insanity plea

In March, James Holmes told a Colorado classmate he would kill

Prosecutor: Holmes made threats before Colorado shooting (+video)

Primary violent space weather concern for next decade: the sun