Could a "Dune" Sandworm Exist in Real Life?
Sandworms are a staple of sci-fi. But there are ecological and evolutionary limits to consider when deciding if a species like that featured in "Dune" could actually exist.
Was the Big Bang an Explosion or Something Else?
The Big Bang was less of an explosion than a transformation of energy into matter.
NOVA Universe Revealed: Big Bang Preview
The Big Bang is when the cosmos started and time itself began. With stunning animation based on space telescope images, NOVA winds back the ages to discover new clues about this ultimate genesis and what happened in the universe’s first few seconds.
Sagittarius A*: The Void at the Center of our Galaxy
A supermassive black hole sits at the center of the Milky Way galaxy, scientists believe. Would life as we know it exist without this invisible enigma?
NOVA Universe Revealed: Black Holes Preview
Take a seat on the ultimate thrill ride to explore nature’s strangest and most powerful objects. Discover new science showing how black holes reshape entire galaxies, warp the fabric of space and time, and might even be portals to another universe.
Yes, There's Really a Frozen Exoplanet named Hoth
Exoplanets like OGLE-2005-BLG-390Lb, aka Hoth, seem to defy the logic of our solar system. So scientists needed to rethink the planetary rulebook.
NOVA Universe Revealed: Alien Worlds Preview
Ultra-sensitive telescopes have transformed alien planet-hunting from science fiction into enthralling hard fact. Join NOVA on a visit to exotic worlds orbiting distant suns to answer an age-old question with thrilling new science: are we alone?
How Long Does Covid-19 Immunity Last?
A person who has been vaccinated against COVID-19 will have a slightly different immune response to the coronavirus than someone who was previously infected, researchers say. How long does immunity last—and is it all about antibodies?
Introducing NOVA's Financial Lab
Practice making financial decisions – and overcoming common behavioral biases – in this fun but challenging game.
The Milky Way and Andromeda Galaxies will Someday Collide
Astronomers estimate that in about 4.5 billion years, the Milky Way and Andromeda galaxies will collide. Here's how it'll happen.
Gaze at Galaxies with NASA's Hubble Space Telescope
Since its 1990 launch, the Hubble Space Telescope has allowed scientists to peer deep into space and far back in time to understand the diversity of galaxies in our universe.
NOVA Universe Revealed: Milky Way Preview
Straddling the night sky, the Milky Way reminds us of our place in the galaxy we call home. But what shaped this giant spiral of stars and what will be its destiny? NOVA travels back in time to unlock the turbulent story of our cosmic neighborhood.
Georgia’s First Black-Owned Hemp Farm
Green Toad Hemp Farm is the first Black-owned hemp farm in the state of Georgia. Here’s how the farm works to keep its crop below the legal limit for THC.
Will the Universe's Stars Someday Disappear?
The chance of a star being born today is much lower than it was in the universe's past. Here's why—and how astronomers predict the age of stars will someday come to an end.
How a Star Dies in a Supernova
The most massive, luminous stars have the shortest lifetimes. Here's why—and how they burn out.
NOVA Universe Revealed: Age of Stars Preview
The sun is our life-giving source of light, heat, and energy, and new discoveries are unraveling its epic history. Join NOVA on a spectacular voyage to discover its place in a grand cycle of birth, death and renewal that makes this the age of stars.
NOVA Universe Revealed Series Teaser
In this five-part series, NOVA delves into the vastness of space to capture moments of high drama when the universe changed forever. State-of-the-art animation gives us astonishing, photorealistic glimpses of the birth of a star in a stellar nursery, the chaos created as two galaxies collide, and the power of a supermassive black hole as it flings a star across space.
How Does a Brain on THC Compare to a Brain on CBD?
A University of Utah study is analyzing the effects that two cannabinoids—psychoactive THC and non-intoxicating CBD—may have on the brain.
Was Eating Insects Key to Human Brain Evolution?
Our ancient ancestor Australopithecus likely foraged for termite larvae using tools made from bone. This source of fat could have helped brain development and growth, anthropologists believe.
Insects Make Protein More Efficiently Than Mammals
Unlike mammals—including those we raise to eat—insects can't generate their own body heat. This physiological difference has a major effect on the quantity of resources they need to grow.
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