SciShow
What If Earth Picked Up a Second Moon?
We owe a lot to our moon. Beautiful moonlit walks, higher tides, and regular seasons - all are made possible by our little rocky friend. But what would happen if we picked up a second moon?
SciShow
Unexpected Ways Scientists Use GPS
GPS devices aren't just for keeping you from driving into a lake. They're also helping lots of scientists in unexpected ways.
SciShow
The Massive Chunk of Metal Hiding in the Moon
The moon's South Pole-Aitken basin is the largest known crater in existence, and there's something big hidden underneath.
SciShow
Why Space Over South America is Deadly for Satellites
There's a region of Earth's atmosphere known as the South Atlantic Anomaly, and it’s one of the most dangerous near-Earth areas of space, both for satellites and humans.
Crash Course Kids
Everything Revolves Around You
So, why doesn't the moon just crash into the Earth? And why doesn't the Earth crash into the Sun? What are orbits exactly and why do they happen? Well, it has to do with gravity and velocity. In this episode of Crash Course Kids, Sabrina...
Curated Video
OTD in Space - October 4: Sputnik 1 Becomes 1st Human-Made Satellite to Orbit the Earth
New ReviewOn Oct. 4, 1957, the Soviet Union launched Sputnik 1, the satellite that started the Space Race. Sputnik 1 was the first human-made object to orbit the Earth, and it set off a wave of fear and anxiety across the U.S. now known as the...
Curated Video
How to Calculate Angular Speed at Perihelion Using Kepler’s Laws
New ReviewA satellite in elliptical orbit speeds up as it approaches the planet—thanks to angular momentum conservation. Learn how to calculate angular speed at perihelion using Kepler’s laws and orbital geometry.
The Daily Conversation
The Largest Science Projects in the World
New ReviewFrom land to sea to space, scientists are using incredible tools to make new discoveries. These are the ten largest instruments in use around the world.
The Daily Conversation
Solving the Space Debris Problem
New ReviewThe problem of space debris is solvable if we work together.
The Daily Conversation
NASA's Human Isolation Experiment
New ReviewExtreme isolation is something our greatest explorers have faced in varying degrees. Now, a team of six NASA recruits have begun a year-long mission on the desolate side of a barren Hawaiian volcano that will simultaneously test the...
The Daily Conversation
Interesting Facts: 'The Martian'
New ReviewInteresting facts about 'The Martian,' a critically acclaimed science fiction movie starring Matt Damon that tells the story of a NASA astronaut who gets stranded on Mars.
Professor Dave Explains
Geomaticist Nigel Van Nieuwenhuizen (Get to Know a Scientist!)
What is geomatics? Why it's the branch of science that deals with the collection, analysis, and interpretation of data relating to the earth's surface. How is it done? Well we've got Nigel here to tell us all about it! You may know about...
Curated Video
Europe's new Ariane 6 rocket successfully takes off
Ariane 6 has been in development for almost a decade with the aim of putting Europe's rockets on the map.
Curated Video
Sweden’s Arctic spaceport is gearing up to launch the first satellites from mainland Europe
The Swedish Space Corporation (SSC) is partnering with US and South Korean rocket providers with a focus on sustainability and national security.
Curated Video
Satellite images show storm swirling toward US west coast
'Jaw-dropping' satellite images show storm swirling toward US west coastCIRA
Curated Video
Tracking The Movements of Giraffes in the Wild Is Vital
Researchers are satellite-tracking reticulated giraffes in northern Kenya, a species found nowhere else in the world. Only about 8,500 live in the wild.
Curated Video
Greece wildfires seen from space in shocking satellite images
Greece wildfires seen from space in shocking satellite imagesSource: First four pictures - Maxar Technologies, Twitter. All other images - Planet Labs PBC.
Curated Video
OTD In Space - July 7: Discoverer 26 Launches
On July 7, 1961, the U.S. Air Force launched a satellite called Discoverer 26 into orbit with a classified payload. Discoverer 26 was part of a series of reconnaissance or spy satellites whose missions were kept top-secret by the...
Curated Video
ESA’s Biomass ‘Umbrella’ Unfurls In View From Space
ESA's Biomass spacecraft recently unfurled its antenna reflector. Watch footage from space and animation of the deployment. Credit: Space.com | footage & animation: ESA/ATG medialab | edited by Steve Spaleta
Curated Video
OTD In Space - June 15: Iran Launches Satellite Into Orbit
On June 15, 2011, Iran launched satellite Rasad-1 into orbit around Earth. Rasad-1 (the name means Observation 1 in Farsi) is an imaging satellite that was sent into a 162-mile orbit by an Iranian Safir rocket. This was Iran's third...
Curated Video
OTD In Space - May 17: NASA Launches 1st Synchronous Meteorological Satellite
On May 17, 1974, NASA launched the first Synchronous Meteorological Satellite, SMS-1. This was the first satellite designed to monitor meteorological conditions from a geostationary orbit. This kind of orbit allowed it to stay above a...
Curated Video
OTD In Space - April 26: Britain Launches Its 1st Satellite
On April 26, 1962, Britain launched its first satellite, Ariel 1. This made the United Kingdom the third country to have a satellite in orbit after the U.S. and the Soviet Union — but they didn't launch it themselves. Ariel 1 launched on...
Curated Video
OTD In Space - April 24: China Launches Its 1st Satellite
On April 24, 1970, China became the fifth nation to independently launch a satellite into orbit. Dong Fang Hong I was the first of a series of satellites China launched under the Dong Fang Hong space satellite program. It lifted off on a...
Curated Video
OTD In Space - April 15: NASA Spacecraft Collides With Satellite
On April 15, 2005, NASA launched a spacecraft on a mission to rendezvous with a small communications satellite. The launch went according to plan, but the mission ended abruptly when the spacecraft collided with the satellite. The...