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It wasn't that long ago. Just last fall. Nearly 45,000 people signed a petition in protest. Then again, the Amazon warrior has always been a controversial figure.

Scientists are learning that some astronauts' eyes change shape after time in space, leading to vision problems. But a sleep sack being developed might offer relief.

The money was part of the President's Emergency Plan for AIDS Relief. It went to sex ed classes and public health messages in Africa. Effective or not? A new study offers a clear verdict.

City, education and business leaders Tuesday unveiled a plan to provide San Diego workers with the skills they'll need to be successful in the so-called "innovation economy" and increase access to an affordable education.

At 600,000 square miles, the sanctuary covers an area twice the size of Texas and is known as polar "Garden of Eden." This unanimous agreement is the result of years of negotiations.

They're so noisy that the Central Pollution Control Board is urging drivers not to honk needlessly — like that Uber driver who beeps along with the song on the radio.

This week, Howard University marks its 150th anniversary. As the nation's premier historically black college, many of Howard's graduates have gone on to become notable historical figures.

Most of the world's tea comes from China, India and Sri Lanka. But since 2000, dozens of farms have sprouted across the U.S. producing small-batch, artisanal tea sold at a premium.

Researchers estimate the vaquita porpoise population had declined 80 percent since 2011. They estimate there are fewer than 60 vaquitas left in existence.

Your noisy roommate probably won't like paying cold cash to get electric shocks. And that may not stop the snoring, sleep doctors say. Fortunately, there are other ways to turn down the volume.