2004
What Neil & Buzz Left on the Moon
July 20, 2004
A cutting-edge Apollo 11 science experiment left behind in the Sea of Tranquility is still running today.
Extreme Ecosystem
May 13, 2004
Microbiologists have found a community of extreme-loving microbes working together to survive at the bottom of California's Mono Lake.
Whatever happened to ... Virtual Reality?
June 21, 2004
Twenty years after the first wave of hype, VR is making a comeback in NASA laboratories.
Tumbleweeds in the Bloodstream
Oct. 28, 2004
Tiny sensors, shaped like tumbleweed and small enough to fit inside a blood vessel, might one day ride to space inside astronauts' bodies, warning the space travelers when radiation is damaging their cells.
Meridiani Planum: "Drenched"
March 2, 2004
Long ago, parts of Mars were soaked in liquid water, say scientists analyzing data from NASA's Mars rover Opportunity.
Beware: Io Dust
Sept. 14, 2004
Jupiter's moon Io is shooting tiny volcanic projectiles at passing spacecraft.
Interplanetary Hole in One
Jan. 26, 2004
After traveling 300 million miles, Spirit's twin rover Opportunity landed on Mars in a small shallow crater--the perfect place to look for signs of ancient martian water.