From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

SCIENTISTS have discovered an unusual formation on Jupiter’s moon – and NASA says it may hold the secret to extraterrestrial ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. In the late 1800s Italian astronomer Giovanni Schiaparelli pointed a telescope at Mars ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

Science fiction writer and futurist Arthur C. Clarke once said, “Two possibilities exist: either we are alone in the universe or we are not. Both are equally terrifying.” And perhaps that fear is what ...

A small icy moon orbiting Saturn is a likely candidate to host outer space life, as a major space organisation is targeting ...

Within the next 20 years, human beings could discover life on other planets. It was this startling prediction—and the subsequent realization that kids sitting in elementary school classrooms today ...

From the physical world to the biological universe: Democritus to Lowell -- Plurality of worlds and the decline of anthropocentrism -- Life in the solar system: the limits of observation -- Planetary ...