Astronaut Don Pettit recently shared a photo of a tentacled purple object that set social media ablaze. But this is far from an extraterrestrial threat; it’s actually an earthly treat. The “alien” is ...

A NASA astronaut has caused a stir on social media after sharing a photo of a bizarre, tentacled object growing aboard the International Space Station (ISS). Captured by Don Pettit during Expedition ...