But slag often has visible bubbles — and “bubbles are extremely rare in in meteorites.” What’s valuable and fascinating about sorting the “meteorwrongs,” as the scientific community ...

"This has been a decade-long detective story, with each recorded meteorite fall providing a new clue." Ten years ago, astronomers from various institutions, including NASA and SETI (Search for ...

Scientists think they may have come from space. For years scientists had been finding organic compounds in meteorites, but could not rule out the possibility that they were Earth-based contamination.

Iron meteorites may be large (hundreds of kg ... While it was known that the meteoric iron had been mixed with slag iron, the analysis revealed faint banding patterns on the metal.