The oceans cover over 70% of the Earth’s surface. The marine ecosystem is the largest and most abundant in the world. But most of the ocean is permanently dark and incredibly difficult to observe. As ...

The oceanic "twilight zone" lies deep, and teems with life. We look at how this mysterious zone affects climate change. Sponsor Message : [POST-BROADCAST CORRECTION Aug. 4, 2025: A previous version of ...

This zone contains a vast amount of marine life, potentially over 90% of all ocean life, and supports important commercial and recreational fisheries. Creatures in the twilight zone help mitigate ...

Update: The key points with this story have been corrected to note the new Slow Zone is in effect until April 14. North Atlantic right whales have again been detected near Ocean City, Maryland, ...

Heidi Sosik, of the Woods Hole Oceanographic Institution in Washington, has been leading groundbreaking research into the "ocean twilight zone"—a unique, largely unexplored region of our planet. This ...

WASHINGTON -- Like a chronic disease spreading through the body, "dead zones" with too little oxygen for life are expanding in the world's oceans. "We have to realize that hypoxia is not a local ...