Star revealed with seven Earth-sized planets in orbit
Trappist-1 is 40 light years away but scientists believe orbiting planets may support life
Planet Nine: a study in celestial shyness
Most astronomers are sceptical about the existence of Planet Nine, but mathematical models suggest there is something unseen out there
Gravitational waves: What’s all the fuss and why should I care?
Landmark discovery of ripples in space and time hypothesised by Einstein a century ago
Radio astronomy facility costing €1.4m to be built in Birr
Project one of 21 investments in advanced scientific research funded by SFI programme
11.2 billion-year-old star orbited by five earth-sized planets
Researchers made find when sifting through four years of data
Ghosts of Christmas past: deep roots of Irish winter traditions
People gathering to watch the astronomical alignments at Newgrange; star-gazing; the wren boys; decorating homes with holly and ivy: many Irish winter customs go back a long way
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