A group of bull sharks lived in a golf course pond for 17 years. Scientists say they could be in other ponds in Australia

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A collage of a bull shark and an aerial photo of a golf course pond.
The bull sharks found in Carbrook Country Club lived for over half a bull sharks expected life span.

Getty Images

Orcas in Alaska are stealing fish right from the lines — and the new behavior seems to be killing them

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The fin and head of a killer whale surface on the foreground between two fishing boats with forested mountains behind them.
An orca breaches the water between two boats in Alaska.

Joel Rogers/Getty images

A US astronaut involuntarily set a record for time spent in orbit, after his mission home was aborted and added 6 months to his trip

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Frank Rubio is shown being carried away in his astronaut garb, smilling and waving at the camera after landing back to Earth.
Frank Rubio landed back on Earth on Wednesday after 371 days on the ISS. His mission was originally meant to last six months.

NASA/Bill Ingalls

17 signs your friendship with someone is toxic

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women fighting
Watch out for signs that your friend is toxic.

DigitalVision/Getty Images

Octopuses could get the same protections as mice and monkeys thanks to a growing body of evidence that suggests they feel pain

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Monkey; octopus
Under new guidelines proposed by the NIH, octopuses used in research could receive the same protections as monkeys.

BarbAnna/Getty Images; Hal Beral/Getty Images

Climate change is pushing an Indigenous community in Panama off their island home

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An aerial view of Carti Sugtupu in Panama.
An aerial view of Carti Sugtupu in Panama.

Luis Acosta/AFP/Getty Images

Scientists have found the great white sharks that fled for their lives from gruesome liver-eating killer whale attacks

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A collage with a photo of a killer whale and a great white shark.
Killer whales hunt great white sharks in waters across the world.

[top] Kenneth C. Balcomb/Center for Whale Research, permit number: NMFS 21238; [bottom] Reuters

Crocodiles seemed to 'escort' a dog in danger to safety, and scientists aren't sure why they didn't just eat it

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Serial frames of a dog being given a ‘safe passage’ by three crocodiles, in a sentient behaviour suggestive of ‘cross-species empathy’.
A dog swims near a mugger crocodile, who didn't seem interested in eating it.

Utkarsha Chavan

18,000-year-old stone tools are among the oldest found in the US, more evidence that humans lived in the Americas during the Ice Age

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A number of stone tools from the Rimrock Draw Rockshelter archeological site in Oregon, including tools that over 18,000 years old
Several stone tools found at the Rimrock Draw Rockshelter in Oregon, including the large orange chalcedony tool found below ash from Mt. Saint Helens.

Patrick O'Grady

How long couples in lasting relationships should wait to start having sex, according to science

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couple kissing wine love dating relationship
Many couples have to discuss when it's right for them to start having sex.

Shutterstock

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