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What is a black hole? What is dark matter and what is it made of? How do scientists discover black holes and dark matter if they can’t be seen? What do scientists know about these …
What are asteroids, comets and meteors made of? What can scientists do if an asteroid is heading towards Earth? Learn how astronomers prepare for space objects hitting Earth, from …
Does life exist somewhere other than Earth? How many planets are outside our galaxy? What happens when stars crash into each other? For a long time, people believed Earth was the …
Has the universe always existed? Scientists have looked further into space and discovered the galaxies moving. Were they once closer together? If scientists look far enough, can …
What are constellations? Who named them? Where can they be found? Ancient peoples believed constellations held clues to the future. These groupings of stars helped farmers plant …
Full moons in folklore and legends are said to have magic power. Does a full moon really affect our planet and people living on it? Get a closer look at the moons in our solar …