Beneath 70 % of Earth’s surface lies a realm where sonar picks up strange shapes, sunken cities and possibly alien structures.

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?

Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of ...

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

In Amiri’s calculations, Dyson spheres around white dwarfs tend to produce cooler, fainter thermal emission that peaks in the near- to mid-infrared, while M-dwarf cases can radiate more strongly but ...

What: SETI Institute Artists-in-Residence present Exoplanetary Poetry, an art-science collaboration that trains artificial intelligence on exoplanet atmospheric chemi ...

The first bubble of hot gas seen around another star has been spotted around the "Moth," just 117 light-years away.

Explore the dramatic rock formations of Valle de la Luna in the Atacama Desert, Chile—an alien landscape that earned its ...

Data from 2025 notifications for High Court panels shows women making up barely a fifth of central government counsel. A 2023 ...

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

The notion of billing by outcomes, rather than inputs and hours, isn’t anything new. AI hasn’t brought to life some new and ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.