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 ...

For decades, scientists have known that at least half of the Universe’s ordinary, or baryonic matter — composed primarily of protons — was unaccounted for. Previously, astronomers have used techniques ...