A recent challenge to Stephen Hawking’s biggest idea — about how the universe might have come from nothing — has cosmologists choosing sides. (2019)
Nobel Prize-winning astrophysicist John Mather illuminates the universe's deepest mysteries. In this episode, we delve into the search for extrater... (2023)
The Big Bang is well accepted today as the leading theory of how our universe evolved over time - but in today's episode, we talk through all the v... (2023)
The reward of being able to detect cosmological gravitational waves would be huge. Many phenomena in the early universe could have produced them. (2021)
There are a few fundamental facts about the Universe — its origin, its history, and what it is today — that are awfully hard to wrap your head aro... (2018)
Another great kid question, that has a simple answer but also leads to a bunch of subtle points when you dig a little deeper. (2020)
Astronomers find evidence of the most powerful explosion ever seen in the history of the Universe. What do we know about this mammoth eruption? The... (2020)
The Guardian Published on Sep 23, 2013 No time to read Stephen Hawking's A Brief History of Time? In just two and a half minutes, Alok Jha expl... (2018)
Scientists have detected a black hole thought to be about 800 million times as massive as our sun that is helping to reveal when the universe fille... (2017)
PBS Space Time 2.01M subscribers Thanks to LastPass for sponsoring PBS DS. You can check out LastPass by going to https://lastpass.onelink.me/... (2020)
A pleasurable warping of the figuring faculty to contemplate what was there before the before. (2020)
In the ten years since its publication in 1988, Stephen Hawking's classic work has become a landmark volume in scientific writing, with more than n... (2020)
A team of astronomers used the Keck I telescope to measure the distance to an ancient galaxy. They deduced the target galaxy GN-z11 is not only the... (2020)
PBS Space Time 2.01M subscribers Check out the new Space Time Merch Store! We actually have a pretty good idea of what might have happened bef... (2020)