About 1000 kilometers off the coast of Portugal, hidden beneath the surface of the Atlantic Ocean, lies one of the most ...

Spiral troughs found on the surface of Mars are in situ ice-excavated canyons with a total volume 10 times that of the Grand Canyon, making them one of the largest and youngest geologic ...

Catherine Weitz, a senior scientist at the Tucson-based Planetary Science Institute, has reported new evidence for multiple, water-related geologic processes on Mars. She and her colleagues studied ...

Vesta, a massive world in the solar system's asteroid belt, sports two huge trough features that have long puzzled scientists, and it doesn't look like the mystery will be solved anytime soon, at ...

The King's Trough Complex is a several-hundred-kilometer-long, canyon-like system of trenches on the North Atlantic seafloor. Its formation was long thought to be the result of simple stretching of ...

AUSTIN (KXAN) — Meteorologists study the upper levels of the atmosphere to better understand troughs and ridges, which helps them predict both day-to-day weather conditions and long-range patterns.