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

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be ...

In 1988, the Soviet Union launched two of its most ambitious spacecraft ever built not toward Mars itself, but toward one of ...

Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero ...

Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.

SpaceX sent to space a test version of a spacecraft called Starfall during a sunrise launch on the Space Coast on Tuesday.’ ...

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

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

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 ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a ...