The Group on Earth Observation is overseeing a 10-year plan to coordinate data gathered on the environment from satellites and terrestrial sources. Europe's Global Monitoring for Environment and Security system (GMES) is at the forefront...

Fresh water issues are getting harder to ignore. In the next five years, half the world’s population will live in a water-stressed area. Drought-stricken cities like San Francisco have started requiring large commercial building to...

The military spy satellites orbiting Earth, right now.

The UK's Black Arrow and Prospero Program. Colossal failure?

The incredible shining phenomenon in the highest reaches of Earth's atmosphere.

A launch mishap led to the best experimental confirmation of gravitational redshift.

While tiny, Earth now has a second moon, or natural satellite, named 2020 CD3. So, will we have to rewrite the text books?

Space junk and debris is starting to be a problem around Low Earth Orbit (LEO) according to the ESA and JAXA. Exactly how much is up there? And are we soon approaching the threshold of Kessler Syndrome?

Or geomagnetic storm, a severe disruption of the Earth's magnetosphere that can cripple satellites, and even cause severe damage to electrical systems on the ground.
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A manned or unmanned machine designed for space flight.
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A Twig Science
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Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...

What are central forces and how do they make objects spin or turn? Physics - Forces - Learning Points. A centripetal force makes an object follow a circular path. The moment of inertia is the resistance of an object when the speed of...

What is a satellite, why are they important, and how have satellites changed our understanding of the Solar System? Physics - Universe - Learning Points. Any object orbiting a planet is called a satellite. Moons are examples of natural...

GPS satellites pin-point locations on Earth. How has this technology enhanced our lives, from military systems to social applications? Physics - Universe - Learning Points. GPS stands for Global Positioning System. GPS uses 24 satellites...

What causes different kinds of weather? What is wind and where does it come from? How can pressure systems help us predict the weather? Earth Science - Weather - Learning Points. Understanding weather systems is the key to reliable...

Can we rely on thermometer readings alone as proof of global warming? Do satellite temperature readings lead to the same conclusions? Earth Science - Human Impacts - Learning Points. Small increases in average global temperatures have...

Since Galileo first sighted Saturn, scientists have been baffled by its beautiful rings. What are they made of and where did they come from? Physics - Our Solar System - Learning Points. Saturn's rings were first discovered by Galileo in...

How the orbit of the planets is dictated by mass and the force of gravity. Physics - Our Solar System - Learning Points. The curved path of one object around another is its orbit. Objects orbit due to the effects of gravity. The...

Did you know that there are at least 146 moons within our solar system?
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Physical processes - The Earth and beyond - Sun,
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arth and Moon />

Learning Points
There are at least 1
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6 other moons...

Did you know that there are tonnes of man-made litter and debris in orbit?
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People and places - Human impact on the environment - Pol
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uting the air />

Learning Points
Litt
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Did you know that rockets are used to launch GPS satellites into Earth’s orbit? <br<b<br/>r/>/>


P<br<b<br/>r/>/>eople and places - Mapping - GPS


A Twig Tidbit Film - Did you know? A fascinating fact is revealed.

Discover the world of minerals and learn about their uses.
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Material processes - Classifying materi
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ls - Minerals />

Learning Points
Minerals are naturally occurring substan
c

es with a...

Find out how GPS works and how it can pinpoint your location to within a few metres.
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People and places
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Mapping - GPS />

Learning Points
GPS st
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nds for Global Positioning System.
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Blast off into space and learn fun space vocabulary words with this exciting quiz for kids! In this video, we’ll explore planets, stars, and other cool space terms. After learning the new words, challenge yourself with a fun 'What Am...

Delve into the captivating history of the Space Race, a pivotal era marked by intense competition between the United States and the Soviet Union. From the launch of Sputnik to the monumental Apollo 11 mission, discover the political...