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Vaccination isn't a perfect defense against flu. But vaccines remain the most reliable way to reduce the risk from an illness that causes thousands of deaths in the U.S. during a typical flu season.

Robert Wood, an electrical engineer at Harvard's Microrobotics Lab, is engineering colonies of RoboBees. They don't sting, and they can be used for surveillance or crop pollination.

A son with cerebral palsy inspires a new way to think about imperfection, exaltation and love in a new memoir by Brazilian novelist and screenwriter Diogo Mainardi.

A "mountain-sized" comet known as Siding Spring will pass very close to the red planet, where orbiters from the U.S., Europe and India, hope to get close — but not too close — to the action.

Earlier this week an interim summary of the synod on family issues included conciliatory language on gays and on the taking of holy communion for divorced church members.

Many rural residents rely on private wells for tap water. As the severe drought continues, many are wondering why farms seem to be getting water ahead of families.

The newspaper's heartfelt column about a political cartoon that was widely criticized as racist raises a question: Did editors learn the right lessons from the uproar?

In her new book, The Lives of Muhammad, Boston University professor Kecia Ali discusses the different ways that Muslim and non-Muslim biographers have depicted the prophet over the centuries.

The 101 Freeway slices right through the wilderness in and around Los Angeles, separating local mountain lion populations. To mate and avoid inbreeding, the animals must risk the dangerous crossing.

In an effort assist Kurdish forces in the Syrian border town, the U.S. military said Sunday the dropped supplies were meant to help resistance to Islamic State efforts to control Kobani.