Sharks
Sydney reopens Coogee Beach under heavy patrols after woman critically injured in shark attack
Saturday's attack was the latest in a series of shark encounters off Australian beaches. The week before, a man died after being attacked by a shark while fishing off the coast of Western Australia.
Colossal octopus may have dominated Cretaceous oceans, researchers say
Researchers find traces of caffeine, cocaine in sharks in The Bahamas
Dozens of Australian east coast beaches closed after four shark attacks in two days
Symbiotic relationships with fish decline because many sharks are dying out - study
Open-sea fish infested with parasites use grey reef sharks as back scratchers.
Orcas hunting a great white shark were captured on camera for the first time
According to a 2019 National Geographic article, orcas likely target shark livers because they're "high-fat and delicious."
Megalodon: What were the largest predatory sharks on Earth? - explainer
If you are one to fear large sharks, and if the movies Jaws or The Meg terrified you, then the megalodon, the massive prehistoric selachians, are likely the stuff of nightmares.
Meet the epaulette shark - the only shark species that can walk
Epaulettes have adapted and developed an ability to walk on land which helps them hunt for food in places other sharks cannot reach.
Megalodon sharks were longer than a bus, heavy as 10 elephants - study
A 3D modeling built thanks to scans of a shockingly well-preserved megalodon shark vertebrate column helped show just how massive these giant sea creatures were.
Israeli deep-sea brine pool discoveries could provide an ocean of information
A year after Haifa researchers discover the first deep-sea brine pools opposite Tel Aviv, University of Florida scientists find one in the Gulf of Aqaba
Second woman killed in shark attack in Egypt's Red Sea
The first shark attack victim died earlier in the day 600 meters from where the second victim died.
Endangered sandbar shark rescued from fishing net in Israeli beach
The population of sandbar sharks in the Mediterranean sea went down by a staggering 90% between 2005-2015.
Sydney beaches close after first fatal shark attack in 60 years
A spokesperson for the New South Wales Department of Primary Industries said its shark biologists believe a white shark at least 3 meters (9.8 feet) in length was likely responsible for the attack.
Sandbar sharks travel furthest than ever tracked
Sandbar sharks are known to have traveled to Cyprus and Egypt, but they were recently tracked in Sicily.
