A strange sphere found by a Florida family became one of America’s oddest UFO-adjacent stories. The real lesson may be less ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks are enormous.

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

NASA’s Perseverance rover has uncovered the most extensive evidence yet of complex organic molecules on Mars, detecting ...

Archaeologist Bob Carr stands at the 2,000-year-old Miami Circle at the mouth of the Miami River in Brickell. Carr led the excavation of the circle, an arrangement of holes for wooden poles carved in ...

The Pentagon released over a hundred newly declassified files related to UFOs (now officially referred to as Unidentified ...

In what can only be described as a vape cloud of a working paper, the pair examine the possibility of other consciousnesses ...

In the book version of “Project Hail Mary,” author Andy Weir, known for grounding his fiction in plausible science, describes ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Researchers from the University of Oxford have uncovered evidence that Mars once hosted enormous, Earth-like magmatic systems ...

Octopuses, bees, and dogs all process information differently. Even within the narrow confines of one planet, evolution produced a wide range of nervous systems rather than a single design. A new ...

The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.