SciShow
The Secret Behind Those Beautiful Hubble Images
Since it launched in 1990, the Hubble Space Telescope has snapped more than a million images and changed the way we see the universe, literally.
SciShow
Why We Didn't Know How Long a Venus Day Was
Researchers have finally determined how long a day on Venus is, give or take an episode of Brooklyn 99.
SciShow
How Many Galaxies Are There?
We've been trying to count the galaxies in the universe since the mid '90s, but our estimates change as our tools improve. So what does our current estimate really mean?
SciShow
The Oldest Star in the Universe
Hank tells the story of the mysterious star known as "Methuseleh," and why scientists think that it is the oldest known star in the universe.
SciShow
What's Stopping the James Webb Space Telescope?
The James Webb Space Telescope is the most complex telescope we’ve ever sent into space. But, Webb is not, in fact, in space… yet.
SciShow
From Kepler to Webb: The History of the Telescope
Hank regales us with the history of the telescope, and then introduces us to some folks from the team who are working on the newest telescope in the chronology - the James Webb Space Telescope, an infrared telescope due to launch in 2018.
TED-Ed
TED-ED: What light can teach us about the universe - Pete Edwards
Humanity has long been looking at the universe and asking the big questions: How did it begin? How will it end? Cosmologists are searching hard for the answers, but where do they even start? The answer is light. Pete Edwards outlines the...
SciShow
The Farthest Galaxy We've Ever Seen! | SciShow News
Scientists have spotted a galaxy from the early origins of the universe, and found evidence to support the existence of a 9th planet in our solar system.
SciShow
How Do We Measure the Distance of Stars?
It's School of YouTube Week! Comic Relief and YouTube are partnering to send students to school! The Bad Astronomer Phil Plait teaches Hank how to measure the distance to the stars. 
SciShow
Mama, Where Do Galaxies Come From?
For most of human history, we didn't know that galaxies were a thing. So over the past century, astronomers have been working to understand how galaxies come to be and how they evolve over time. And for a full decade, there was one...
SciShow
How Many Stars Are There?
How many stars are there in the universe? This question leads Hank to a couple other questions - How many stars can we see from Earth? How many stars are there in our galaxy? - but the answer to the original question proves elusive.
SciShow
The Most Sophisticated Mirror in the Universe
Hank summarizes the five reasons why infrared telescopes were supposed to be impossible to build, and then describes how a team of scientists and engineers overcame those obstacles to build the James Webb Space Telescope.
Bozeman Science
Doppler Effect
In this video Paul Andersen explains how the perceived frequency of a source depends on the motion of both the source and the observer. As a source approaches an observer the frequency will increase and as it moves away it will decrease....
SciShow
Why Do Stars Twinkle?
SciShow explains why stars do that twinkling that all the kids are singing about, and explains how astronomers can get around it to make observations, and why it can be kinda useful.
SciShow
Is the Universe Expanding?
Is the universe expanding? About a hundred years ago astronomers made a discovery that helped us unravel the mystery of the history of the universe!
SciShow
New Watery Discoveries on Enceladus and Europa!
These days, it seems like we're finding water all over the solar system. Still, it takes a lot more than a little H2O to support life.
Curated Video
NASA's Habitable Worlds Observatory Will Search For Life Outside Our Solar System
New ReviewNASA’s Habitable Worlds Observatory "will draw on technologies proven by the agency’s Hubble, Webb and upcoming Roman Space Telescopes," to search for life outside our solar system, according to the Goddard Space Flight Center. Credit:...
Wonderscape
Title: Vera Rubin: Uncovering the Mystery of Dark Matter
Science Kids Famous Astronomers and Astrophysicists - From Galileo to Neil deGrasse Tyson Vera Rubin was a pioneering astronomer who defied gender discrimination to make groundbreaking discoveries in the field of astrophysics. Her work...
Curated Video
Amazing Time Lapse Of Fading Supernova Spied By Hubble
The Hubble Space Telescope captured imagery of supernova 2018 GV from 2018-2019. It was seen in barred spiral galaxy NGC 2525, which is located about 70 million light-years away in the constellation Puppis. Credit: Space.com / footage...
Curated Video
Triple System Of 'icy Space Rocks' May Have Been Found In Kuiper Belt For 2nd Time
The Keck Observatory and NASA’s Hubble Space Telescope may have uncovered a "potential three-body system in the Kuiper Belt," according to NASA's Goddard Space Flight Center. Credit: NASA's Goddard Space Flight CenterCredit: NASA's...
Curated Video
OTD In Space - April 25: STS-31 Deploys Hubble Space Telescope
On April 25, 1990, the Hubble Space Telescope was deployed! Hubble is famous for taking some of the most amazing deep-space photos ever. It hitched a ride to space on the space shuttle Discovery with mission STS-31. Also on board were...
Curated Video
Spiral Galaxy NGC 2566 In Stunning 4K JWST And Hubble Views
The James Webb Space Telescope and Hubble Space Telescope have captured amazing views of spiral galaxy NGC 2566. Credit: Space.com | ESA, NASA & CSA / Hubble /Webb, A. Leroy, N. Bartmann (ESA/Webb), D. Thilker | edited by Steve Spaleta
Curated Video
Pillars Of Creation In 3D Created From Webb And Hubble Space Telescope Data
See the iconic Pillars of Creation in this 3D visualization created from James Webb and Hubble Space Telescope data. Credits Producer Greg Bacon (STScI), Frank Summers (STScI), NASA's Universe of Learning Visualization Greg Bacon...
Curated Video
JW Space Telescope's First Targets
NASA released full color James Webb Space Telescope images of the Carina Nebula, exoplanet WASP-96 b, Southern Ring Nebula, Stephan’s Quintet and SMACS 0723. Here's a preview of the 5 targets from previous observations and an artist...