PBS
First Detection of Light from Behind a Black Hole
How do you see the unseeable - how do you explore the inescapable? Our cleverest astronomers have figured out ways to catch light that skims the very edge of black holes. Let’s find out what they learned. A few weeks ago a story made the...
SciShow
Our New Galactic Neighborhood, and a Tar Comet?
SciShow Space shares the latest news from around the universe, including new insights into the giant supercluster of galaxies that we call home, and the first "data baby" from Rosetta's rendezvous with a comet.
SciShow
Breaking News There’s an Earth-like Planet Next Door!
The rumors are true! There's an Earth-like planet orbiting our neighboring star!
Crash Course
Exoplanets
Today Phil explains that YES, there are other planets out there and astonomers have a lot of methods for detecting them. Nearly 2000 have been found so far. The most successful method is using transits, where a planet physically passes...
Curated Video
Doppler Shift: Frequency and Motion
A change in the observed frequency of a wave when it is emitted from a moving object and observed from a stationary point, or vice versa. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
Curated Video
Doppler Shift: Sound Discovery
How a unique but simple experiment in the 19th century gave a new insight into the behaviour of sound waves. Physics - Waves - Learning Points. The Doppler Effect is when the pitch of a sound seems to change as it moves past. The...
NASA
Gravity Assist: The Moon's Holy GRAIL, with Maria Zuber
Recent maps of the Moon's gravity have taught us a lot about its overall shape, and have been invaluable for lunar exploration. Maria Zuber, principal investigator of the Gravity Recovery and Interior Laboratory (GRAIL) mission, reflects...
NASA
NASA in Silicon Valley: Rus Belikov and Eduardo Bendek: NASA in Silicon Valley Podcast
A conversation with Rus Belikov and Eduardo Bendek, senior research scientists at NASA’s Ames Research Center, working on next generation technology to directly image planets beyond the solar system.
NASA
Mars Gravity Map
A new map of Mars' gravity made with three NASA spacecraft is the most detailed to date, providing a revealing glimpse into the hidden interior of the Red Planet. Satellites always orbit a planet’s center of mass, but can be pulled...
Professor Dave Explains
Edwin Hubble, Doppler Shift, and the Expanding Universe
So we've made it all the way to the 20th century with the history of astronomy. Plenty had to happen to get us to that point, but the most amazing stuff is yet to come! Shortly after Einstein did his best work, a guy named Edwin Hubble...
Crash Course
Crash Course Astronomy #27: Exoplanets
Today Phil explains that YES, there are other planets out there and astronomers have a lot of methods for detecting them. Exoplanets appear to orbit nearly every kind of star, and we've even found planets that are the same size as Earth....