A boulder the size of a house that crashed across a state highway in Colorado last month is staying put.

A man has been filmed on CCTV entering an art gallery in the US and slashing a painting worth around €2.5m which belongs to his father.

The mountain resort of Aspen, Colorado, is synonymous with skiing. But its understated luxury, focus on wellness, and amazing outdoor life make it a great destination in summer too, writes Suzanne Harrington

Thornton police said 47-year-old Scott Ostrem was arrested this morning, about 14 hours after he fled the Denver store in a car.

These are not regular Pop Tarts

A woman has been convicted of cutting a stranger's baby from her womb in a gruesome case that reignited the debate over the legal rights of foetuses.

No murder charge amid doubt that baby survived outside womb.

The man accused of killing three people and injuring nine others at a Planned Parenthood clinic in Colorado stunned a court by declaring he is a “warrior for the babies”.

A gunman burst into a Planned Parenthood clinic in Colorado and opened fire, launching several gun battles and an hours-long stand-off with police as patients and staff took cover under furniture and inside locked rooms.

A gunman killed three people including a policeman in a rampage at a Planned Parenthood clinic in the US state of Colorado.

Latest: A gunman who opened fire at a Planned Parenthood clinic in the US state of Colorado is in custody.

Police in Colorado are responding to reports of a shooting near a health clinic.

Colorado cinema gunman James Holmes has been formally sentenced to life in prison without parole for the 2012 attack which left 12 people dead and 70 others hurt.

Jurors moved a step closer toward sentencing James Holmes to death for his Colorado cinema attack, taking less than three hours to reject arguments that his mental illness means he should not die.

A jury has found Colorado cinema gunman James Holmes guilty of murder in a methodically-planned attack that left 12 dead and dozens wounded during a midnight premiere of a Batman film.

Pot may be legal in Colorado, but you can still be fired for using it.

Police in northern Colorado are investigating any possible link between the killing of a man on a neighbourhood sidewalk and previous shootings of a cyclist and a driver.

Nature is awesome.

One household in Boulder will have split loyalties when Cork host Kerry tomorrow afternoon

Brian Canty gets a Rocky Mountain ride on the ultimate road trip with his father in Colorado — where the mountains are high along with the people.

Instead of the new Spongebob movie, a Colorado cinema began showing '50 Shades' to an audience packed with parents and their kids.