Curiosity Stream

Curiosity Stream Thousands of documentary films & factual series on demand. Available on pretty much any streaming device you can imagine, all around the world.

Starting at just $4.99/mo or $39.99/yr.

08/21/2026

What if flight… just wasn’t worth it? 🪶

The ratites are a remarkable group of birds that abandoned the skies entirely. Instead of wings built for lift, they evolved powerful legs for speed, defense, and survival on the ground.

This family includes some of the largest birds on Earth — the towering ostrich, the swift emu, the formidable cassowary, the wide-ranging rhea, and the elusive, nocturnal kiwi.

Their secret? A flat breastbone with no keel — the bony ridge that anchors flight muscles in flying birds. Without it, powered flight simply isn’t possible.

Grounded by evolution — but far from defenseless.

🎥 Stream The Mystery of the Giant Birds on Curiosity Stream.
Narration by Florent Oullié

08/20/2026

The binturong — often called the “bearcat” — is neither a bear nor a cat. 🐾

In Thailand’s forests, this remarkable rainforest climber plays a vital ecological role. Binturongs are one of only two known animals capable of digesting the tough outer covering of strangler fig fruit, helping disperse seeds that sustain entire forest ecosystems.

With strong limbs, a prehensile tail, and incredible climbing ability, they move effortlessly through the canopy. Often overlooked, the binturong is proof that some of the rainforest’s most important species are also its most mysterious.

Watch more incredible wildlife moments in Thailand’s Wildcats, now streaming on Curiosity Stream.

08/19/2026

Diamonds may symbolize eternal love — but their true story is far more complex.

In "Diamonds: Selling Ice", we step inside the billion-dollar diamond industry, from high-stakes deals in New York’s World Diamond Tower to cutting floors where raw stones are transformed into objects of desire. Diamond dealer Mark Klein reveals what makes this trade so secretive — and so unique. From sourcing rough stones to cutting them in-house, every facet matters. Because in the end, it’s not the size, but the cut that determines a diamond’s true worth. 💎

Diamonds: Selling Ice - Watch Now on Curiosity Stream

08/18/2026

How do you drink water on a planet with no rivers? 💧

Mars may look bone-dry, but it’s hiding water in unexpected places. Beneath the surface and locked in polar ice lies the key to human survival on the Red Planet. Scientists are developing ways to extract ice from Martian soil, melt it, purify it, and reuse it—turning scarcity into sustainability.

That water wouldn’t just be for drinking. It could help grow food, generate oxygen, and fuel long-term missions. With advanced recycling systems like those used on the ISS, every precious drop could be used again and again.

Getting water on Mars isn’t just about surviving—it’s the first step toward building a future there.

📺 Stream The New Frontier: Next Stop Mars on — link in bio.

08/16/2026

Looking like it woke up on exactly the wrong side of the burrow, this tiny Bushveld rain frog might be the grumpiest (and funniest!) amphibian in Africa. With its round little body, stubby legs, and signature “don’t mess with me” face, it’s basically nature’s most adorable curmudgeon.

Unlike most frogs, this one refuses to hop or swim. Nope. It speed-walks everywhere like it’s late for a meeting. It also digs backward into the soil with its spade-like feet and spends most of its time underground. Oh—and forget tadpoles. Their eggs hatch straight into mini froglets! Efficiency at its finest.

Want more wonderfully weird wildlife?

Stream Nature’s Weirdest now on — link in bio! 📺✨

08/16/2026

Luxury. Desire. Power. Secrets.

Beneath the ash of Mount Vesuvius lay one of the Roman Empire's most extravagant estates—hidden for nearly 2,000 years.

Now, new excavations are uncovering the lavish rooms, breathtaking artwork, and shocking stories behind Villa Oplontis, where unimaginable wealth existed alongside the harsh reality of those forced to serve it.

Discover the rise, excess, and downfall of Pompeii's elite in Rich and Sinful: The Lost Pleasure Palace of Pompeii - a new two-part Curiosity Original, now streaming exclusively on Curiosity Stream.

08/16/2026

The World’s Slowest, Weirdest Snackers? 🍄🪨

Think fungi only break down dead wood? Think again.

Some of nature’s most fascinating organisms have a truly unexpected appetite… they can help break down rock itself.

Hidden beneath our feet, vast underground fungal networks called mycelium release powerful organic acids that slowly dissolve minerals from stone—unlocking nutrients trapped inside solid rock. Over time, this invisible chemical process helps turn lifeless surfaces into the building blocks for soil, plants, and eventually, entire ecosystems.

What looks like “nothing happening” is actually one of the most important forces shaping life on Earth.

Explore how fungi helped build our world in The Kingdom: How Fungi Made Our World, streaming now on Curiosity Stream. 📺

🚀 Your weekend plans just got more curious.There’s still time to grab our exclusive offer for Curiosity Stream partners ...
08/15/2026

🚀 Your weekend plans just got more curious.

There’s still time to grab our exclusive offer for Curiosity Stream partners & social followers. 👀

Get 25% OFF your first year of an annual subscription with code CURIOUS25.

🔭 Space. 🧪 Science. 🏛️ History. Thousands of documentaries. One curious weekend.

🎁 Works on gift cards, too!
⏰ Ends tomorrow, 8/16 at midnight.

Don’t wait. Get curious before it’s gone!

08/14/2026

How can a scientific hypothesis help put someone behind bars for 11 years?

Audrey Edmunds was convicted of shaking a neighbor’s baby to death. Years later, the pathologist who testified against her admitted he was no longer sure about the diagnosis that helped convict her: Shaken Baby Syndrome.

CSI On Trial examines how evolving science can challenge the evidence presented in a courtroom and what happens when that evidence helps determine someone’s fate.

Watch the full series, CSI On Trial on Curiosity Stream.

08/14/2026

Could this distant planet become our next home? 🌎➡️🪐

Meet Kepler-22b, an exoplanet with some surprisingly Earth-like qualities: a year that lasts 290 days, potentially comfortable temperatures, and roughly the same amount of sunlight we receive here on Earth.

Sounds promising, right? 👀

There’s just one problem.

Kepler-22b may rotate on its side - potentially creating extreme swings between scorching heat and freezing cold. 🥵🥶

So… could we actually live there?

Explore the possibilities in What If: Cosmos, now streaming on Curiosity Stream. 🚀

Hosted by Peter Schmiedchen and produced by our friends at Underknown,

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