There’s always some controversy over ocean plastic — such as who is responsible for it and what to do about it — but everyone agrees that plastic doesn’t belong in the ocean. Or do they? I was floored ...

Picture the vast expanse of ocean you've seen in postcards or vacation photos - that brilliant blue stretching endlessly toward the horizon. Yet something profound is happening beneath those familiar ...

There are numerous ways scientists measure the impacts of climate change. Sometimes it’s by what they see, or maybe even by what they smell. In a recent case, it’s by what they hear. Whale calls. That ...

Deep beneath the Pacific Ocean floor, sediment cores hold secrets that could reshape how scientists predict Earth's climate future. These deep-sea layers capture snapshots of ancient oceans, revealing ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For over 400 years ...

Rising Co2 levels in oceans pose threat to ecosystem, sea life worldwide. Aug. 22, 2008— -- Under the vast, trackless surface of the ocean, scientists have discovered a monster of a problem, ...

HONOLULU (KHON2) — Hawaiʻi’s sharks are a bit of both legend and mystery. From Kāmohoaliʻi, the Hawaiian god with a shark’s head, to the modern-day research that uncovers their crucial role in ocean ...

It's weird, all right. We found out what's going on. You go on a beach trip or look out the airplane window, and you do a double take. You could swear the ocean is looking a bit teal. Are you ...

Happy New Year! I want to begin this column by acknowledging how this year’s holidays coincided with a storm surge that battered our shoreline, including the Santa Cruz Wharf and the Santa Cruz Harbor ...

The ocean is blue because water absorbs colors in the red part of the light spectrum. Like a filter, this leaves behind colors in the blue part of the light spectrum for us to see. When sunlight hits ...

Hawaiian gold coral in the deep ocean. (Photo credit: HURL) Layers of coral skeleton laid down over the past 1,000 years can be seen in this polished section of a deep sea coral. (Photo by M. McCarthy ...