Four small, newly discovered worlds are less than six light-years away from Earth, and their discovery reinforces a cautionary tale from planet hunting’s prehistory ...

An Australian metal detectorist named David Hole made an extraordinary discovery that intrigued scientists and captivated the public. Years after unearthing an unusual rock, David Hole found with the ...

Five 'mass extinctions' have decimated our planet since it was formed - now scientists claim the answers to two could be written in the stars.