Seaborgium is a synthetic chemical element with symbol Sg and atomic number 106. The element was first synthesized in 1974, and now has 14 isotopes; the most stable isotope, seaborgium-271, has a half ...

Pre-contact Central and South American dogs (Canis familiaris) — all dogs preceding contact with European settlers — descended from a single maternal lineage that diverged after dogs entered North ...

NGC 253 is located approximately 11.5 million light-years away in the constellation of Sculptor. Otherwise known as the Silver Coin, Silver Dollar Galaxy or Sculptor Galaxy, the galaxy was discovered ...

Using the focal-plane spectrometer of the gas-filled recoil separator at the Accelerator Laboratory of the University of Jyväskylä in Finland, physicists have observed two decay events of the new ...