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A news headline about the Tumblr sale to Yahoo scrolls on a building in New York's Times Square, May 20, 2013.

Yahoo Buying Tumblr for $1.1 Billion

Acquisition gives struggling Internet pioneer much-needed social media platform to reach younger generation More

Scientists say large dams have altered the natural course of many rivers, affecting ecosystems and aquatic life.

Scientists Ponder Damage to Water System

Scientists meet in Bonn on human effects on freshwater More

Various Chinese microblog websites are seen on a screen in this photo illustration taken in Beijing, Sep. 13, 2011.

China Trying to Manage Exposure of Corruption Online

Authorities have deleted microblogs, even accounts to quash rumors that might fan protests that could escalate out of controlMore

Mandiant Founder & CEO Kevin Mandia (L) and Mandiant CSO Richard Bejtlich participate in the Reuters Cybersecurity Summit in Washington, May 13, 2013.

China Resumes Cyber Attacks on US, Firm Says

Mandiant says Chinese hackers recently broke into computer systems of more than 100 American companies More

Comet ISON is shown in this NASA handout image photographed by the Hubble telescope on April 10, 2013.

Astronomers Awaiting Comet ISON's Year-End Spectacular

Celestial rock and ice formation expected to bedazzle enthusiasts with long, luminous tail More

More Science & Technology News

Scientists Race to Contain Malaria: New Discoveries, More Resistance

Scientists Race to Contain Malaria: New Discoveries, More Resistance

World Health Organization is warning about dire consequences if drug-resistant form of malaria spreads beyond southeast Asia
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Water on Moon

Earth and Moon Share Water Source

Most of water on Earth thought to have come from ice-bearing meteorites; some of that water transported with new Moon during its birth in cataclysmic collision
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On May 17, NASA witnessed the largest impact of a meteoroid on the Moon in the past eight years. This is an artist

Video Moon Hit By Largest Meteoroid Impact in 8 Years

Flash was nearly 10 times as bright as anything ever seen before
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Artist concept of OSIRIS-REx. The OSIRIS-REx spacecraft is to launch in 2016, reach asteroid (101955) 1999 RQ36 in 2019, examine it up close during a 505-day rendezvous, then return at least 60 grams of it to Earth in 2023. (Credit: NASA/Goddard/Universit

Video Asteroid Sampling Mission Gets Green Light

OSIRIS-REx is expected to bring back a minimum of 60 grams of surface material from asteroid Bennu
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In the Argentina

Carbon Storing Qualities of Coastal Wetlands Explored In Australia

Seminar in Sydney brings together governments, research institutions, non-governmental organizations from around the world to discuss ecosystems
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November 28 - December 8, 1983: This Columbia flight carried the first Spacelab mission and the first astronaut to represent the European Space Agency, Ulf Merbold of Germany. Left to right are Merbold, Byron K. Lichtenberg and Robert A. R. Parker. (Image

Video Skylab-Era Astronauts Reflect on Life Off Earth

Only four decades ago scientists didn't know if humans could adapt to long-duration spaceflight
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Belarus Partial Lunar Eclipse

Earth, Moon Share Water Source

Research raises questions about formation of Moon
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Each red dot on this screen shot from the Ventus website represents a power plant. (Ventus Project)

Citizen Scientists Map Global Emissions

Power plants account for more than 40 percent of carbon dioxide emissions
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Video Scientists Race to Contain Malaria: New Discoveries, More Resistance

Two new medical discoveries are raising hopes of containing malaria - the mosquito-borne parasitic disease that each year infects more than 200 million people and claims an estimated 660 thousand lives. Meantime, the World Health Organization is warning about dire consequences if a drug-resistant form of malaria spreads beyond southeast Asia.
Scientists Race to Contain Malaria: New Discoveries, More Resistance Skylab Astronauts Reflect on Life Off Earth Device Keeps Internet On When Power Goes Off Baltimore's Empty Lots Bloom With Healthy Greens Viewing Our World From Space, at Night