Big find! Scientists spot giant alien planet orbiting close to dead star’s corpse
A star's death doesn't have to spell doom for its planets
Strange chemical in clouds of Venus defies explanation: Could it be a sign of life?
Is there life on Venus? A new discovery suggests we should look harder
Sperm fooled scientists for 350 years – they spin not swim
Sperm was first discovered in 1677 but it took roughly 200 years before scientists agreed on how humans are actually formed