The ocean can be many colors, but for the most part it's deep blue. But why? And what's up with green or brown or red water?

Data from China's Zhurong rover on Mars suggests an ancient ocean and strengthens evidence that the planet was once warm, wet ...

Variously known as Drakes' Shake, "the most dreaded bit of ocean on the Globe" and home to the world's worst storms, the ...

Mars wasn't always the dusty red desert we know today. Billions of years ago, waves may have crashed against sandy beaches ...

Whether you want to build a tranquil hideout, fly between galaxies, or simply watch an alien sunset, the game is a ...

I stepped out with my date under a night full of stars, the velvet sky above us promising ... like the quiet breath of the blue ocean. Around us, a lush indoor garden thrived, its greenery spilling ...

In Europe, flaming debris from a SpaceX launch vehicle streaked across the German sky ... back toward Earth, Blue Origin’s New Glenn was expected to dispose of its nose cone in the ocean. It appears ...

Blue Origin’s New Glenn was expected to dispose of its nose cone in the ocean. It appears to be what happened before the waves forced a floating piece of the hardware onto the shores of an ...

U.S submarines receive long-range communications on very low and extremely low frequencies, but other methods can be used to ...

From quiet hikes with scenic views to one of the largest dog parks in the United States, the Bay Area has much to offer.

Aboriginal healing uses some of the oldest techniques in the world. Lisa Kjellson ventured into the wilderness to look ...

Scientists captured blue jets from the ISS, sparking theories of extraterrestrial messages. These luminous flashes, which ionize nitrogen, rise from storm clouds and travel upward into the ...