A striking optical illusion resembling a floating city or alien spacecraft was captured on camera above the countryside in ...

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

Artificial intelligence (AI) is continuing to have a disruptive impact on ever more parts of humanity. But what does it mean in the long run? A new paper, available as a preprint on arXiv from ...

Intense alien sci-fi, goofy luchador comedy, and one of Robin Williams' best performances are in store this final week of ...

Vanity Fair reports from the Capitol Hill conference, where members of a sprawling community of national security experts and ...

Deep within Uranus and Neptune, immense pressure and heat are transforming carbon into diamonds that rain down through the ...

This is the story of a mysterious finding in New Hampshire, pieced together from the incident summary sheet and official ...