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Astrophysicists unveil new phenomenon challenging textbook definition of white dwarf stars
Scientists have revealed why some white dwarfs mysteriously stop cooling – changing ideas on just how old stars really are, and what happens to them when they die.
Astronomers make rare exoplanet discovery – and a giant leap in detecting Earth-like bodies
Astronomers have made the rare discovery of a small, cold exoplanet and its massive outer companion – shedding light on the formation of planets like Earth.
What fireworks can teach us about the sky at night
With New Years Eve on the horizon, scientists reveal just why fireworks are differently coloured and what this can teach us about stars in space.
Elements commonly found in salts are used to make the colours in fireworks. The colours are caused when the elements are heated, causing them to release light in different colours, from bright blues to deep reds.