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A NASA telescope mounted inside a 747 is giving astronomers and physicists eagle-eyed glimpses of outer space. On a recent trip, scientists found a special molecule that gives new clues to the temperature of interstellar gas.

San Diego Unified trustees were scheduled to hear a report today that proposes more than a dozen schools be closed, relocated or consolidated next year.

When the HMS Bounty set sail in 1787, Captain William Bligh had only his instincts to safely complete a journey from England to the South Pacific island of Tahiti. Last week, Robin Walbridge, captain of a replica of Bligh's ship of mutiny fame, had every modern weather-forecasting resource to plan a voyage from New London, Conn., to St. Petersburg, Fla.

When the HMS Bounty set sail in 1787, Captain William Bligh had only his instincts to safely complete a journey from England to the South Pacific island of Tahiti. Last week, Robin Walbridge, captain of a replica of Bligh's ship of mutiny fame had every modern weather forecasting resource to plan a voyage from New London, Conn., to St. Petersburg, Fla.

Scientists at the Salk Institute for Biological Studies today announced a discovery that could lead to the development of a new class of anti-inflammatory drugs to replace steroids, which have serious side effects.

Joe Kennedy lectures burping baby Ted on political ambition while teenagers Joe Jr. and John wrestle for the presidency. Cartoonist Kate Beaton irreverently recasts history and classic literature in her new book, Hark! A Vagrant.

The use of genetically engineered crops leads to reduced fertilizer use and helps farmers conserve soil, a committee of the National Academy of Sciences' National Research Council has found. The committee says society as a whole could benefit if future crops were engineered to use less fertilizer and to be more resilient to climate change.

Biochemist Michael A. Marletta was chosen Friday to head The Scripps Research Institute, effective Jan. 1, marking the first presidential transition at the nonprofit biomedical research organizations in more than two decades.

A timeline of the nuclear disaster at the Fukushima Dai-ichi plant, which has leaked radiation since it was damaged by the March 11 earthquake and tsunami.

You can go to almost any cubic foot of ocean, stream, coral, backyard, ice shelves even, and if you look, you'll find scores of little animals and plants busy making a living. But here's a place — a beautiful, bountiful place — that when you look close — is a desert.