NOVA

Science and Nature Series / 24 Seasons

NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives. Visit the official website to watch full-length documentaries, or explore our world through short-form video, on our digital publication NOVA Next.

Watch Latest: S51 E17

53m 40s / TV-G

How a Walnut-Shaped Moon Help Shape Saturn’s Rings

2m 35s

Shaped by gravitational forces over millions of years, Saturn's rings are incredibly complex. A tiny moon named Pan, just 17 miles wide, has notably influenced their structure by creating the Encke Gap.

Solar System: Strange Worlds Preview

30s

From a dwarf planet that looks like a deflated football, to a tiny moon with cliffs taller than Mt. Everest, to the spectacular rings of Saturn, discover how the effects of gravity produce the amazing variety of weird worlds in our solar system.

How the Martian Atmosphere Helped Nasa’s Rovers Restore Energy

2m 59s

NASA's Spirit and Opportunity rovers exceeded their expected lifespan on Mars. Unique Martian weather conditions may have played a role in restoring their energy levels.

This Powerful Psychedelic May Help Treat Opioid Addiction

3m 28s

There's growing evidence that ibogaine, a powerful psychedelic, may help treat opioid addiction, traumatic brain injuries, and even depression. But it can be dangerous too — including side effects like cardiac arrest and death.

Can Technology Detect Deepfakes Better Than Humans Can?

7m 9s

Researchers are trying to develop tools to thwart deep fakes in several different ways — from before they are even made, to detecting them once they are out on the internet.

Solar System: Storm Worlds Preview

30s

Out in the solar system, the weather gets wacky – with globe-spanning dust storms, monsoons of liquid methane, and lightning 10 times stronger than here on Earth. Discover the forces driving the dramatic weather on neighboring planets and moons.

Sea Change: Survival in the Gulf of Maine Preview

30s

Now at a crossroads for the future of the Gulf of Maine and our oceans, Indigenous peoples and scholars practice climate resilience and adaptation, scientists track developments, and entrepreneurs find new ways to make a living from the sea.

Sea Change: Peril in the Gulf of Maine Preview

30s

Dive into Cashes Ledge with scientists as they race to discover if this remote and relatively pristine part of the Gulf of Maine is vulnerable to rapid warming. Can Cashes still offer hope for the Gulf’s more than 3,000 species?

Sea Change: Bounty in the Gulf of Maine Preview

30s

Discover the Gulf of Maine and how its bounty was forever changed by a global appetite for fish. Now with the Gulf warming faster than 97 percent of the world’s oceans, witness how wildlife and people are adapting to rapid change.

What Dating Apps Know About You

2m 51s

You might sign up for a dating app to find the love of your life. But while you’re swiping, these apps are collecting all kinds of information about you. What do you they know about you? And what are they doing with your data?

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