The interaction between genetics and tissue environment shapes how individual teeth form in different regions of the jaw.

As if having to evade T. rexes wasn’t scary enough without these monsters lurking every time you came to drink.

The on-and-off volcanic eruption that’s been dazzling residents and visitors on Hawaii’s Big Island for nearly a year is back HONOLULU -- The on-and-off eruption that's been dazzling residents and ...

HONOLULU (AP) — The on-and-off eruption that’s been dazzling residents and visitors on Hawaii’s Big Island for nearly a year resumed Tuesday as Kilauea volcano sent fountains of lava soaring 400 feet ...

The on-and-off eruption that’s been dazzling residents and visitors on Hawaii’s Big Island for nearly a year resumed Tuesday as Kilauea volcano sent fountains of lava soaring 400 feet (122 meters) ...

HONOLULU (AP) — The on-and-off eruption that's been dazzling residents and visitors on Hawaii's Big Island for nearly a year resumed Tuesday as Kilauea volcano sent fountains of lava soaring 400 feet ...

The on-and-off eruption that's been dazzling residents and visitors on Hawaii's Big Island for nearly a year resumed Tuesday as Kilauea volcano sent fountains of lava soaring 400 feet into the air.The ...

A long-quiet volcano in Ethiopia spewed ash nine miles into the sky on Sunday, marking the first known major eruption from this volcano for more than 12,000 years. Under-studied and situated in ...

A new birth cohort study reveals that a mother’s stress-related hormones in late pregnancy, especially cortisol, may quietly influence when her baby’s first teeth appear, uncovering a surprising link ...