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Pope Francis was stung by a sexual abuse scandal in Chile, where the Church is losing sway and people are embracing social norms opposed by the Vatican.

Andrea Bruce is the 2018 winner of the Anja Niedringhaus Courage in Photojournalism Award — honored for her images that touch 'your head and your heart.'

The American Academy of Pediatrics recommends that infants sleep in their parents' room for at least six months. But some experts say scientific evidence does not back up the guidelines.

The journal Science has called the gene-editing tool CRISPR its "breakthrough of the year." In 2015, scientists used CRISPR to make precise changes to DNA in animals, human embryos and — as one team at UC San Diego demonstrated — insects.

The State Department said the withdrawal from the United Nations' cultural agency will take effect Dec. 31, 2018. The U.S. had cut funding to the group years ago for offering Palestinians membership.

President Trump is hosting a bipartisan group of senators for dinner Tuesday evening. He's looking to build support for a tax overhaul.

San Diego and Imperial County educators will meet Friday to discuss how intermediate algebra is taught, two weeks after the California State University system dropped the algebra requirement for students who aren't STEM field majors.

Scientists experimenting on plants, animals and even human embryos have used the powerful gene editing tool CRISPR to alter DNA. But a team of UC San Diego scientists have repurposed the technique to target RNA, the molecule crucial for translating the genetic information stored in DNA.

A newer type of breast imaging costs more. It's not yet clear if the three-dimensional approach is more effective at catching cancers that will kill.

Noctilucent clouds, high-altitude clouds that appear to glow in the sky at night, usually show up in the Southern Hemisphere summer. Satellite images showed them covering Antarctica in early November.