Dan was a writer on CNET's How-To and Thought Leadership teams. His byline has appeared in The New York Times, Newsweek, NBC News, Architectural Digest and elsewhere. He is a crossword junkie and is ...

Sharks play crucial roles in marine ecosystems. As predators, they loom large at the top of many marine food chains and help maintain a certain balance. Unfortunately, many shark species are declining ...

Actually, it's a one in three chance that the pet food you are giving to your dog or cat includes protein from endangered sharks, according to a new Yale study. The study, published in February in ...

There are many things to consider before you get a pet saltwater fish. Fish tank. Also called marine aquariums, saltwater fish tanks take more care than freshwater tanks because they are considered an ...

The second most common species the researchers identified was the silky shark, a vulnerable species that is in decline worldwide. Stephen Frink via Getty Images The next time you buy cat food from the ...