Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

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

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

A NASA‑linked study argues that alien probes could already be in our Solar System, but our surveys are still too crude to ...

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

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

The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.

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

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 ...

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