From over 100,000 films, discover the handful you'll love.
Free or premium access to the world's largest documentary library.
21 films
The James Webb Space Telescope is the most ambitious and complex space science mission humanity has ever undertaken, aiming to observe the universe's earliest stars and galaxies.
74 stations in a gymnasium simulate the galaxies' evolution over millions of years, illustrating how the universe is already declining.
Astronauts launched the Hubble Space Telescope into orbit in April 1990, enabling it to capture clear images of the universe without atmospheric distortion.
100-inch Hooker Telescope on Mt. Wilson revealed in the 1920s that distant nebulae were actually galaxies moving away from Earth, supporting the Big Bang theory.
In 1609, Galileo Galilei used a telescope to reveal that the Milky Way is composed of countless stars, changing the understanding of the night sky.
NASA's Artemis program aims to return humans to the Moon, while advancements in satellite technology and Virgin Galactic's space tourism plans are also explored.
Astronomers at a remote outpost in the Andes Mountains use the Reuben telescope to gather data on dim objects and exploding stars in distant galaxies.
Venus's surface reaches temperatures of 900 degrees Fahrenheit, making it inhospitable and resembling a furnace rather than a potential home for life.
Professor Jim Al-Khalili explores the influence of ninth-century astronomer Al-Battani on Nicolaus Copernicus's heliocentric theories in Italy and the Middle East.
Current estimates suggest there are approximately two trillion galaxies in the observable universe, each containing around 100 billion stars.
Over $20 million is awarded to scientists for achievements in physics, mathematics, and life sciences during a ceremony hosted by Pierce Brosnan.
Galileo's experiments on gravity, recreated by Professor Jim Al-Khalili, highlight their historical significance and foundational role in modern scientific inquiry.
Edwin Hubble demonstrated that the Milky Way is one galaxy among countless others, reshaping our understanding of the universe's vastness.
Ariane 5, Europe's most reliable rocket, plays a crucial role in transporting satellites into space, supported by a vast network of aerospace professionals.
The Hubble Space Telescope, launched in 1990, has revolutionized astronomy with its stunning images and significant discoveries over 35 years.
15,000 asteroids larger than 100 meters remain to be found, prompting plans for intervention missions to protect Earth from potential impacts.
Billions of microscopic mid-air collisions at around 250 kilometers above Earth's surface create the colorful glow of the aurora borealis.
A supernova can release energy equivalent to the output of the sun over its entire lifetime in just a few seconds.
On November 29th, PBS Space Time offers a 20% discount on merchandise, including themed apparel and puzzles for physics enthusiasts.
A supernova can release as much energy in 10 seconds as all the stars, galaxies, and quasars in the observable universe combined.