Name: Alien From Earth
Uploaded: undefined
Duration: undefined

NOVA

Northern Mariana Islands

United States

U.S. Minor Outlying Islands

U.S. Virgin Islands

Guam

American Samoa

Puerto Rico

US & Territories

Is the weather on Mars anything like the weather on Earth? Find out in this video.

Martian Weather

Do the remains of a tiny hobbit-like creature on the island of Flores belong to a new human species?

Do the remains of a tiny hobbit-like creature belong to a new human species?

Alien From Earth

Carlisle Companies

Viking

NOVA Science Trust Logo

Colossal explosions shake a remote corner of the Siberian tundra, leaving behind massive craters. In Alaska, a huge lake erupts with bubbles of inflammable gas. Scientists are discovering that these mystifying phenomena add up to a ticking time bomb, as long-frozen permafrost melts and releases vast amounts of methane, a potent greenhouse gas. What are the implications of these dramatic developments in the Arctic? Scientists and local communities alike are struggling to grasp the scale of the methane threat and what it means for our climate future. (Premiered February 2, 2022)

In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate.

Arctic Sinkholes

The top half of Jupiter in blue and green against a night sky

A composite image of Jupiter using images captured by the James Webb Space Telescope. Image Credit: NASA, ESA, CSA, Jupiter ERS Team; image processing by Judy Schmidt.

Explore the cosmos, delve into ancient history, and follow an extreme rescue with NOVA’s most-watched documentaries released in 2022.

NOVA’s most popular science documentaries of 2022

Four bright orange loops brand off of a dark blue blob

A transmission electron micrograph of HIV-1 virus particles (orange) replicating from the plasma membrane of an infected H9 T cell. Credit: NIAID, Flickr

Scientists have cured a handful of people of HIV by piggybacking on treatments they received for blood cancer. But does that bring a widespread cure any closer?

Alien From Earth

More Ways to Watch

Support Provided By