A rarely seen oarfish appeared in shallow water in Baja California Sur, Mexico, on Feb. 9, surprising beachgoers. The ...

Among the myriad creatures that populate our ocean, some stand out as having an outsized impact on the marine ...

Here's how full and how much water is in 16 California reservoirs after Pres. Trump's water releases and winter storms in ...

While many shark species reside in the upper regions of the Earth’s oceans near the surface, there are some shark species ...

Scientists have a different idea of the twilight zone. To them, it’s an area of the open ocean where most fish live – depths of 650 to 3,200 feet.

Traces of organisms detected in sediments from 7.5 kilometers below the ocean surface reveal how organisms living in the deep sea are engineering their own environments. Analyses of sediment cores ...

More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, ...

A first-of-its-kind global assessment has revealed 603 wild animals plus five livestock taxa that do more than just inhabit the Earth – they shape it. These “animal architects” literally move their ...

The presenter said he's been in every known cave on the Peninsula, discovering one of them as a 17-year-old in 1968.

One of Earth’s deepest mysteries lies beneath our feet: the planet’s inner core.Made of iron and nickel, the hot, ...

At the top of the world, there is a sea—the remains of one, at least. The summit rocks of Mount Everest, the highest ...