Comet DustIn a NASA clean room a scientist examines traps containing dust snared by the Stardust probe as it flew by the comet Wild 2. Each speck left a hair-size track (right) as it plunged into ...

A team led by astrogeologist Nicole Nevill of the Lunar and Planetary Institute in Houston discovered the olivine presolar grain in the Antarctic meteorite using a technique called atom probe ...

Stardust NExT must love comets. On Valentine's Day the spacecraft will get up close and personal with its second. It's been seven years since the original Stardust danced with Wild 2 out beyond the ...