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South Korea Ferry Disaster
30 Seconds To Know
Did Loophole Allow Alleged Gas Attack in Syria?
6 Speed Reads: Boy's Reaction to a Foul Ball is Priceless
Russia Warns Ukraine Could Be Georgia War Repeat
Alleged Kidnapper May Have Created Mobile Dungeon
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Next Steps For Vets
NASA via AP file
Spacewalkers Make Quick Work of Computer Repair
Two spacewalkers quickly replaced a bad backup computer box and took on some extra tasks at the International Space Station on Wednesday.
Early-Warning Telescope Could Detect Dangerous Asteroids
In just 13 years, asteroids have caused more than two dozen massive explosions in the atmosphere.
If It Quacks Like a Duck, It Might Be a Whale
A mysterious duck-like sound recorded in the ocean around Antarctica has baffled scientists for decades, but the source of the sound has finally been found.
Frank Augstein / AP
March Was One of Hottest on Record, But Not in U.S.
NOAA says last month's overall global temperature was 1.3 degrees Fahrenheit warmer than the 20th century average.
Roger Hill / Barcroft Media via Getty Images file
Here's a Twist: Tornado Season Off to Record Quiet Start
This year has so far seen fewer twisters than any similar period in at least six decades and possibly a century or more, and zero deaths so far.
Duck! Asteroids Strike Earth More Often Than We Think
Sensors designed to monitor nuclear tests have detected more asteroid explosions than expected, even since last year's spectacular Russian meteor.
NASA Chief Tells Off Asteroid Critics: 'Get Over It'
NASA's chief has a message for those who want him to forget about going to a near-Earth asteroid and head directly for Mars instead: "Get over it."
Google Doodle Celebrates Earth Day With Animals
Google is celebrating Earth Day with a menagerie of six of the planet’s most adorably odd creatures.
NASA Wants You to Take an Earth Day #GlobalSelfie
NASA has pretty much mastered the selfie game, and now it wants your help for Earth Day.
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