The speed at which glaciers move changes predictably each year, according to the first-ever global map of how glacier and ice sheet speeds vary with the seasons. Knowing this yearly rhythm could help ...

Although its blues and greens may appear tranquil, the ocean is chaotic in nature — there is perpetual movement across the world’s oceans. The motion, which includes ocean turbulence, ranges from a ...

Sea ice coverage in the Arctic Ocean is at one of its lowest levels on record, yet there's no unanimity on when that ice will disappear completely during summer months. Understanding the traits and ...

The movement for immigrant rights is at a crossroads. At its epicenter in Minneapolis, the Trump administration claims that Operation Metro Surge is ending, albeit with caveats that suggest otherwise.