TED Talks
Wendy Freedman: This telescope might show us the beginning of the universe
When and how did the universe begin? A global group of astronomers wants to answer that question by peering as far back in time as a large new telescope will let us see. Wendy Freedman headed the creation of the Giant Magellan Telescope,...
TED Talks
David Deutsch: A new way to explain explanation
For tens of thousands of years our ancestors understood the world through myths, and the pace of change was glacial. The rise of scientific understanding transformed the world within a few centuries. Why? Physicist David Deutsch proposes...
TED Talks
Allan Adams: The discovery that could rewrite physics
On March 17, 2014, a group of physicists announced a thrilling discovery: the “smoking gun” data for the idea of an inflationary universe, a clue to the Big Bang. For non-physicists, what does it mean? TED asked Allan Adams to briefly...
PBS
Why the Universe Needs Dark Energy
We know the universe will continue to expand forever, so now we can begin to complete the first Friedmann equation, and determine the shape and geometry of our universe. At first glance, it would seem that the equation doesn't quite add...
TED Talks
Seth Shostak: ET is (probably) out there -- get ready
SETI researcher Seth Shostak bets that we will find extraterrestrial life in the next twenty-four years, or he'll buy you a cup of coffee. He explains why new technologies and the laws of probability make the breakthrough so likely --...
SciShow
SciShow Space Launch
Hank discusses the launch of an all new channel: SciShow Space! This new channel will be all space. All the time.
TED Talks
Martin Rees: Is this our final century?
Speaking as both an astronomer and "a concerned member of the human race," Sir Martin Rees examines our planet and its future from a cosmic perspective. He urges action to prevent dark consequences from our scientific and technological...
SciShow
Carl Sagan
Hank pays tribute to Carl Sagan, noting his accomplishment as an astronomer and his contributions to culture -- both pop and otherwise -- as one of the great popularizers of science. Happy Carl Sagan Day!
TED Talks
Juna Kollmeier: The most detailed map of galaxies, black holes and stars ever made
Humans have been studying the stars for thousands of years, but astrophysicist Juna Kollmeier is on a special mission: creating the most detailed 3-D maps of the universe ever made. Journey across the cosmos as she shares her team's work...
SciShow
Why This Galaxy Gets TWO Black Holes
There’s a massive black hole next door that appears far too big for its host galaxy! And in another galaxy, TWO supermassive black holes formed, giving us a glimpse at a true rarity in astronomy!
TED Talks
David Christian: The history of our world in 18 minutes
Backed by stunning illustrations, David Christian narrates a complete history of the universe, from the Big Bang to the Internet, in a riveting 18 minutes. This is "Big History": an enlightening, wide-angle look at complexity, life and...
Crash Course
The Scientific Revolution: Crash Course History of Science
So, what exactly is a scientific revolution? And are they more than just moments in time Historians use to mark the beginning and ending of things through time? In this episode we'll look into some ideas and people named Nick and how...
TED Talks
Karen Bass: Unseen footage, untamed nature
At TED2012, filmmaker Karen Bass shares some of the astonishing nature footage she's shot for the BBC and National Geographic -- including brand-new, previously unseen footage of the tube-lipped nectar bat, who feeds in a rather unusual...
TED Talks
TED: Where are all the aliens? | Stephen Webb
The universe is incredibly old, astoundingly vast and populated by trillions of planets -- so where are all the aliens? Astronomer Stephen Webb has an explanation: we're alone in the universe. In a mind-expanding talk, he spells out the...
TED Talks
John Lloyd: An animated tour of the invisible
Gravity. The stars in day. Thoughts. The human genome. Time. Atoms. So much of what really matters in the world is impossible to see. A stunning animation of John Lloyd's classic TEDTalk from 2009, which will make you question what you...
TED Talks
TED: The death of the universe -- and what it means for life | Katie Mack
The universe started with a bang -- but how will it end? With astonishing visuals, cosmologist and TED Fellow Katie Mack takes us to the theoretical end of everything, some trillions of years in the future, in a profound meditation on...
SciShow
Studying Supernovas From the Bottom of the Ocean
Stars blowing up is a surprisingly common occurrence, but who would have thought to search the bottom of the ocean if you were trying to study them?!
Crash Course
Plato and Aristotle: Crash Course History of Science
Plato and Aristotle: Crash Course History of Science #3
SciShow
Why Do We Call Them 'Astronauts'?
Ever wonder the difference between an 'Astronaut' and a 'Cosmonaut'? Well, have a seat and get comfortable because SciShow Space will tell you all about it.
Curated Video
NASA's SPHEREx Telescope Begins Mapping The Entire Sky
NASA has begun taking 3,600 unique images each day to create a new map of the cosmos with its newly-launched SPHEREx observatory. Credit: NASA
Curated Video
Exploring the use of mythology in 'The Twisted Tree'
Pupil outcome: I can understand the plot and some of the Norse mythology that it includes. Key learning points: - Odin is the god of wisdom who sacrificed an eye for greater understanding. - Martha is believed to be a descendant of Odin....
Astrum
Shocking Discoveries from the James Webb Telescope
40 Jupiter Mass Binary Objects - or JuMBOs - discovered by JWST.
Curated Video
Experimental Solar Sail Spacecraft to Launch Next Year
The Science Foundation is launching the Cosmos One spacecraft, an experimental solar sail spacecraft that will use the pressure of sunlight for propulsion. This innovative technology, predicted by Albert Einstein, allows for the creation...