Chris Abrahamsen

A federal appeals court has canceled plea deals with three men accused of orchestrating the 9/11 attacks, deepening the legal morass surrounding the long-stalled case.

A recent video of San Diego police officers maintaining a perimeter in Linda Vista during an immigration raid has raised questions about the department’s role in federal enforcement operations.

A spectacular fossil graveyard reveals a 43-million-year-old whale that had four legs and could walk. Follow scientists as they search for new clues to how mammals moved from land into the sea to become the largest animals on Earth.

A small furry carnivore that lived both on land and sea is the ancestor of modern whales.

Whales are massive reservoirs of carbon and they are key to the health of our oceans. But there are fewer whales — and less whale poop — in the ocean today than before industrial whaling took off.

La presidenta mexicana Claudia Sheinbaum consideró el jueves "totalmente exagerada" la decisión que tomó Estados Unidos la víspera de suspender nuevamente la entrada de ganado de México ante la detección de un caso del gusano barrenador en el sureste del país, y dijo que espera que muy pronto se reactiven las exportaciones.