We present new proper-motion measurements of optically emitting oxygen-rich knots of supernova remnant 1E 0102.2-7219 (E0102), which are used to estimate the remnant's center of expansion and age.

Metzner Archaeologists are investigating a 3,000-year-old gravesite discovered during the expansion of a modern ... a cremation burial during the Bronze Age into the Iron Age, according to a ...