Mariana Alfaro is a reporter for The Washington Post's breaking political news team. Previously, she co-anchored Post Politics Now. Mariana joined The Post in 2019 as a researcher for the Daily 202.

The Mariana Trench runs more than 1,500 miles long and spans more than 40 miles across. At its deepest point, known as Challenger Deep, the trench descends approximately 11,000 meters (6.8 miles ...

The newly discovered crustacean Dulcibella camanchaca is the first large, active predatory amphipod from the extreme depths of Atacama Trench. Johanna Weston, ©Woods Hole Oceanographic ...

Gerry Connolly, 74, who is foreshadowing political “trench warfare” against the GOP. Connolly (D-Va.) won the spot in a House Democratic caucus vote Tuesday, one day after notching the support ...

At 14, Mariana married her uncle, Spain’s King Philip IV, then 44. The theatrical portrait has been shown in the United States only once before, in New York in 1989. Philip IV was in trouble.

Nature Conservancy of Canada says habitat is declining in the region, which is home to over 70 at-risk species Another piece of the puzzle for conservation efforts along the Rocky Mountain Trench ...

The Atacama Trench, located off the coast of Peru and Chile, is one of the deepest oceanic regions on our planet, and scientists think it could be an ecological haven. A new study describes a four ...

YOU GOT TO GET A GUY IN THERE TO MAKE IT SAFE. YOU GOT. RIGHT NOW, A POLK COUNTY MAN IS TAKING HIS EMPLOYER TO COURT OVER A TRENCH COLLAPSE IN BONDURANT. HE SAYS HE WAS BURIED ALIVE DURING THE ...

A never-before-seen predatory crustacean that feeds on other smaller creatures in the hadal zone was discovered in the Atacama Trench at a depth of 25,900 feet. A ghostly white, unusually large ...

In the pitch-black depths of the Atacama Trench, nearly 5 miles below the ocean’s surface, a team of researchers has uncovered a new predator unlike anything previously seen. The discovery of ...

The preferred coats of detectives, corporate-officegoers, and stylish Parisians, trench coats work just as well for catching flights as they do for casual jaunts around town. Take it from me ...

At nearly 4 centimeters in length, this crustacean uses specialized raptorial appendages to capture and prey upon smaller amphipod species in the Atacama (Peru-Chile) Trench's food-limited realm.