With its alien-like terrain, Pshart Valley in Tajikistan feels like another planet. Yet it lies untouched on Earth.

In 1957, a 300-foot craft landed quietly in Virginia. Out stepped a man in a metallic jumpsuit who simply said, “I need to see the president.” His name? Valiant Thor. He claimed to be from Venus—and ...

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

Then you had unexpected magic like “Common Side Effects” and “Murderbot” becoming a weekly delight. All that combines for one helluva year for fans of the genre. These are the best sci-fi shows of ...

The world of Avatar, with its giant blue cat people, talking whales and dragon-like public transport may not immediately strike you as a mirror image for our world. But with the third entry in the ...