A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

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

NASA’s search for life beyond Earth is no longer a distant dream but a coordinated campaign that now stretches from Martian ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

NASA's James Webb Space Telescope detected a possible sign of alien life on a distant planet. Alien life has still not been confirmed through science or through studying UFOs (or UAPs). NASA's ...

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

The universe is filled with countless galaxies, stars and planets. Astronomers may find life one day, but they will need extraordinary proof. ESA/Euclid/Euclid Consortium/NASA, image processing by ...

A new study reveals Jupiter's moon Europa likely lacks active geology on its seafloor, reducing chances of life in its vast ...

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 ...

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 ...

NASA has selected advanced technologies to power a future space telescope designed to image Earth-like planets and search ...