SciShow
A New Comet’s Very, Very Near Miss
This week, a new comet will make its first visit to the inner Solar System, just barely missing Mars (we hope). SciShow Space News takes you there!
SciShow
How Do We Know the Age of the Universe?
What kinds of tools do astronomers use to calculate the age of the universe, and how can they determine the speed of its expansion?
SciShow
3D Printing Moon Bricks for a Moon Base
ESA's newest printer at the DLR German Aerospace Center in Cologne,
SciShow
Mystery Solved: We Finally Know Why Betelgeuse Suddenly Faded | SciShow News
Our neighboring star Betelgeuse got noticeably dimmer a few months ago, and thanks to the Hubble telescope, we recently figured out what was going on. Also, the Arecibo Observatory in Puerto Rico suffered some damage this week.
SciShow
Why These Two Planets SHOULD Be the Same
You'd think that two planets with similar stats, orbits, and parent stars would grow up to be pretty similar, but these twins have atmospheres that beg to differ.
SciShow
We've Never Seen a Pulsar Explode Like This - SciShow News
Spacebit is sending crawling, jumping, mini-robots to the moon, and researchers have witnessed a pulsar emit a very cool combination of traits in its most recent flare.
SciShow
Two New NASA Missions!
With two new missions set by NASA, we hope to learn so much more of the asteroids surrounding Jupiter's orbit and the origin of our moon!
SciShow
Tatooine Discovered?
Hank tells us about NASAs discovery of the 1st planet ever discovered to be orbiting a binary star.
SciShow
Does Deep Space Cause Heart Disease?
A bizarre lonely star grows brighter, and we investigate a study that looks at whether astronauts that leave the magnetosphere have higher incidences of heart disease.
SciShow
Dark Matter is Slowing Down the Milky Way
The effects of dark matter on galaxies is a mystifying and difficult thing to study, but the Milky Way's galactic bar might present an exciting way to quantify how much of it exists!
SciShow
How We Proved Earth Rotates Using a Giant Swinging Ball
People have suspected that Earth rotates for thousands of years, but how did we first prove it?
SciShow
Maybe Mars's Ocean Never Left | SciShow News
Many researchers believe that all the water on Mars dried up, but some evidence suggests that it might have dried in.
SciShow
Our Alarmingly Close Shave with an Asteroid
How often do we miss asteroids like 2017 OO1, and what are astronomers doing to limit their impact? Meanwhile, distant icy worlds might not look as promising in our search for extraterrestrial life as scientists once thought.
Crash Course
Dark Energy, Cosmology part 2
The majority of the universe is made up of a currently mysterious entity that pervades space: dark energy. We don’t know exactly what it is, but we do know that dark energy accelerates the expansion of space. We think this means the...
SciShow
Do Any Stars NOT Have Planets?
Astronomers have used a few different methods to detect exoplanets, and improved telescopes are increasing the rate of discovery. But is it possible that any stars DON'T have planets, or are they just an expected feature of stellar...
SciShow
How Scientists Found the First Type of Molecule in the Universe - SciShow News
Around a quarter of a million years after the Big Bang, the very first molecule, helium hydride was formed. Now scientists have confirmed that molecule is still being made, and they found it with some help from a high flying airplane.
SciShow
How SpaceX Launched the World's Most Powerful Rocket
We've found the first evidence of planets outside of the Milky Way, and SpaceX has finally launched the Falcon Heavy rocket into space!
SciShow
3 Weird Meteorites (Whose Weirdness Was Instructive)
Meteorites are extraterrestrial rocks that have ended up on earth. All of them are literally 'out of this world,' but here are three of the strangest of these aliens.
SciShow
A Farewell to the Arecibo Observatory | SciShow News
On December 1, 2020, Arecibo's long-story came crashing down to an end. While it's sad to see this monumental observatory go, it's worth looking back over the many discoveries it's made over the last 60 years.
SciShow
An Unsung Hero of Astronomy: The International Ultraviolet Explorer
The International Ultraviolet Explorer was the first of its kind, giving us glimpses into phenomena like supernovas and Halley's comet. So why do we hear so little about it?"
Crash Course
Asteroids
Now that we’ve finished our tour of the planets, we’re headed back to the asteroid belt. Asteroids are chunks of rock, metal, or both that were once part of smallish planets but were destroyed after collisions. Most orbit the Sun between...
SciShow Kids
What Is the Sun Made Of? | Dr. Cecilia Payne-Gaposchkin
Have you ever wondered what the sun is made of? Dr. Cecilia Payne-Gaposhkin wondered that, too, and she used science to figure out the answer! Find out how she did that and more about her amazing life and...
SciShow
Why Scientists Tracked One Neutrino Across the Universe
Last week scientists announced that they’ve likely identified the very first astrophysical source of high-energy neutrinos.