Add Yahoo as a preferred source to see more of our stories on Google. On January 2, 2004, NASA's Stardust spacecraft flew by comet Wild 2 to collect some comet dust and bring it back to Earth.

On a single day last November, two spacecraft millions of kilometers apart turned their ultraviolet eyes toward the same ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

SAN FRANCISCO — Detailed observations from the first comet samples returned to Earth are debunking some of science's long-held beliefs on how the icy, celestial bodies form. Scientists expected the ...

The NASA mission, called Stardust, brought back the only material—other than moon rocks—taken directly from a extraterrestrial body. NASA At the threshold of a sterile lab at NASA's Johnson Space ...

NASA’s STEREO spacecraft captured Comet ATLAS streaming a bright ion tail directly away from the Sun even as Solar Orbiter ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The largest comet ever found has jets of carbon monoxide gas ...

NASA’s Hubble telescope captured an “extraordinarily” rare moment of a comet exploding into fragments, the space agency said. The comet K1, whose full name is C/2025 K1 (ATLAS), was caught fragmenting ...