Two NASA astronauts to replace a computer in space -- watch it live
Los Angeles Times — 6:04 am ET (1004 GMT)

Scientists consider relaxing radiation rules for Mars journey
Florida Today — 6:00 am ET (1000 GMT)

Astronaut: 'blind luck' protects us from 'city-killer' asteroids
Wired.co.uk — 8:52 pm ET (0052 GMT)

Your odds of getting killed by an asteroid just went way up
Vox — 8:52 pm ET (0052 GMT)

Earth hit by 26 atom-bomb scale asteroid impacts since 2000
SEN — 8:51 pm ET (0051 GMT)

Asteroids cause dozens of nuclear-scale blasts in Earth's atmosphere
Press Association — 8:50 pm ET (0050 GMT)

A Mars Mission for Budget Travelers
National Geographic News — 8:50 pm ET (0050 GMT)

Ball Aerospace Moving Ahead on TEMPO & GEMS Air Quality Sensors
Ball Aerospace — 8:48 pm ET (0048 GMT)

NASA's Confused Mission Apparent From Earth Day Talk About Mars
Bloomberg News — 8:47 pm ET (0047 GMT)

Sara Seager’s Tenacious Drive to Discover Another Earth
Smithsonian Magazine — 8:45 pm ET (0045 GMT)

How to Go Viral From Space
National Journal — 8:44 pm ET (0044 GMT)

SI makes blockbuster deal for most of QinetiQ North America
Washington Technology — 8:44 pm ET (0044 GMT)

Nebraska astronaut visits Marian High School
KETV Omaha — 8:40 pm ET (0040 GMT)

Space isn’t just the final frontier—it’s a dangerous venue for geopolitical brinksmanship
The Times of London — 8:37 pm ET (0037 GMT)

Space isn’t just the final frontier—it’s a dangerous venue for geopolitical brinksmanship
Quartz — 8:37 pm ET (0037 GMT)

Costa Rica’s first satellite to be launched into space in 2016
Tico Times (Costa Rica) — 8:36 pm ET (0036 GMT)

Space Conferences, Engine Claims and Silly Putty
Parabolic Arc — 8:34 pm ET (0034 GMT)

NASA appoints new program manager for Commercial Crew Program
SpaceFlight Insider — 8:33 pm ET (0033 GMT)

Expedition 39 Spacewalkers Ready for Critical EVA-26 Tomorrow
AmericaSpace — 8:31 pm ET (0031 GMT)

Physicists consider implications of recent revelations about the universe's first light
Kavli Foundation — 8:30 pm ET (0030 GMT)

Researchers solve mysteries of a nearby planetary system's dynamics
Penn State Univ. — 8:29 pm ET (0029 GMT)

Surprise: Earth Is Hit By a Lot More Asteroids Than You Thought
Universe Today — 8:27 pm ET (0027 GMT)

Lockheed Martin Reports First Quarter 2014 Results
PR Newswire — 8:25 pm ET (0025 GMT)

Lockheed Martin boosts 2014 profit outlook
MarketWatch — 8:24 pm ET (0024 GMT)

Rockets that return home – SpaceX pushing the boundaries
NasaSpaceFlight.com — 8:24 pm ET (0024 GMT)