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Isn’t it amazing that astronomy – humanity’s oldest science – continues to generate such a delightful amount of new knowledge? Seeing as we’ve been studying the motion of the stars for a good long whi
‘The universe is a pretty big place. If it’s just us, it seems like an awful waste of space,’ wrote the American astronomer and author Carl Sagan in his book, Contact. Ever since humans first huddled
Of the hundreds of thousands of asteroids in our solar system, it is all too feasible that one could strike Earth. If scientists discover this is likely to happen, what are our options for defending ourselves – and who will make the key decisions? Tomas Weber reports
To make a planet, first you’ll need a massive, reasonably dense cloud of cold gas and dust. Luckily, later generations of the cosmos have provided just that. These clouds, rich in hydrogen, helium and
Our Solar System is home to hundreds of moons, but how many can you observe? Some – like our own and the brighter ones around Jupiter and Saturn – are relatively easy to see with the naked eye, binocu
Star and deep-sky catalogues are crucial resources for making sense of the night sky. There are a lot of them, though – so many, in fact, that you almost need a catalogue of catalogues to keep track o
