Each week we find the most interesting and informative articles we can and along the way we uncover amazing and cool images. Here you'll discover 10 incredible photos and the stories behind them.

Useless death:

The 6-year-old son of Cecil the Lion was shot and killed on July 7 just outside Hwange National Park in Zimbabwe, meeting the same end his father did in 2015.

[Full Story: Cecil the Lion's Son Shot Dead, 2 Years After His Father]

Odd fins:

Tuna fish repurpose their lymphatic system to control their movement.

[Full Story: Tuna Fins Are Weirder Than You Think]

Stumbling block:

A 9-year-old boy hiking in the Las Cruces desert in New Mexico recently tripped over what is now thought to be a 1.2-million-year-old Stegomastodon skull.

[Full Story: Boy Face-Plants Right Onto a Million-Year-Old Stegomastodon Skull]

Differences and similarities:

Why don't pedigreed cats show the extremes in body size and shape that dog breeds do?

[Full Story: Why Dog Breeds Look So Very Different, But Cats Don't]

Emoji inaccuracies:

Apple's new green-and-toothy Tyrannosaurus rex emoji may be cute, but its anatomy is wildly inaccurate, a paleontologist told Live Science.

[Full Story: 6 Ways Apple Messed Up Its T. Rex Emoji]

Synthetic garbage:

Since large-scale manufacturing of plastics took off in the 1950s and until 2015, humans have produced approximately 9 billion tons of plastic.

[Full Story: Humans Have Produced Whopping 9 Billion Tons of Plastic]

Ocean pollution:

Thousands of clumps of weird, yellow foam have washed ashore on France's northern coastline, but no one knows exactly what it is.

[Full Story: Mysterious, Gross Yellow Fluff Balls Wash Up on French Shores]

Submerged forest:

An underwater forest of bald cypress that dates to 50,000 years ago may reveal secrets of a rapidly changing climate in the last ice age.

[Full Story: Underwater Cypress Forest from Ice Age Reveals Its Secrets]

Cute flying bot:

Space watchers have seen footballs, mini-soccer balls and water balls float through the International Space Station — but never a drone ball. New footage of a Japanese robot on YouTube shows it hovering and skittering around the Destiny laboratory.

[Full Story: BB-8 Flies? Adorable Japanese Drone Ball Tours Space Station]

Strange life:

An 8-inch marine worm's oval body is ringed with shiny golden bristles and topped with a sharp-toothed maw.

[Full Story: Bizarre Marine Worm Resembles a Christmas Ornament from Hell]