17:08
Why A Medium-Sized Black Hole Is Surprising Physicists
The discovery of a medium-sized black hole offers new insights into how black holes form and grow.
11:18
How Do You Solve The Problem Of Vaccine Distribution?
Questions swirl around how to prioritize who gets the first COVID-19 vaccines. Plus, an update on Space X’s Starlink satellite constellation.
11:55
A Mysterious Gas Is Discovered In The Milky Way
The discovery of a strange gas raises questions about the activity in the center of the Milky Way Galaxy.
11:46
Air Pollution Costs More Than Switching To Clean Energy
New research suggests air pollution may cost the US $700 billion dollars—more than transitioning to clean energy would cost.
19:37
Understanding Our Inevitable Cosmic Apocalypse
The universe will eventually end, writes cosmologist Katie Mack in her new book. But how? Will we get a cold lifeless soup, a bubble of doom, or matter tearing itself apart?
What Will Happen When The Universe Collapses?
Scientists have a good idea about how the universe got to this point. But how will it end? Cosmologist Katie Mack explores one possible end, the Big Crunch.
17:11
How Zero Gravity Can Reveal Basic Biological Questions
Astronauts just bioengineered human cells on the International Space Station.
16:46
New Photos Show Swirling Mysteries On Sun’s Surface
Scientists say phenomena on the surface of the sun look like “campfires.”
17:36
How NASA’s Perseverance Rover Will Look For Life
When it lands on Mars in winter of 2021, the Perseverance rover will search an ancient river delta for signs of life.
17:10
Who Owns The Night Sky?
As space fills with satellites, how do we weigh the value of a dark night over the benefits of a connected world?