Hidden in the dense greenery of southern Tongatapu, a limestone monolith named Maka Lahi—meaning “Big Rock” in Tongan—has ...

In the twilight depths of the Gulf of Mexico, about as deep down as a football field is long, U.S. Navy divers carefully snip ...

ANCHORAGE, Alaska (AP) — An Alaska man who was pinned facedown in an icy creek by a 700-pound (318-kilogram) boulder for ...

While scientists have long studied currents of large eddies, the smaller ones — called submesoscale eddies — are notoriously ...

What started as a local family's nice day fishing on a Central Mass. lake on Memorial Day turned into a 10-year-old's first ...

A large shark was sighted in Block Island's Great Salt Pond over Memorial Day weekend. The Atlantic Shark Institute received ...

Massive seafloor craters off California are shaped by ancient underwater sediment flows—not methane—revealing a hidden ...

Perseverance discovers egg-like spherules in a Mars rock, now NASA is forming a strategy to investigate this in more detail.

By studying seismic waves, researchers have found a layer deep beneath the surface of Mars that could contain enough liquid ...

Bishop and Lane suggest underground water could have formed clays and carbonates billions of years ago – either through subsurface reactions with rocks or precipitation ... they expected to find large ...

Firefighters are planning a large-scale burnout operation of ... in 2016.The aircraft that were being used to drop water on the Table Rock Fire have been diverted temporarily to another new ...