Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

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

Many people who don’t believe one conspiracy theory about that station—known as the High-frequency Active Auroral Research ...

Its pulsing, pounding, circus-like alien invasion may not be as widespread as it once was, but Blue Man Group is still blowing minds around the world. The current North American tour brings its one-of ...

What's up with those machines?

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of the United States. In a recent interview, Barack Obama became the first ...

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 ...

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 ...

Interstellar objects move too fast and arrive too rarely for astronomy to rely on a single instrument or a single kind of light. When comet 3I/ATLAS was first reported on July 1, 2025, observatories ...

The European Space Agency's JUICE spacecraft has captured detailed images of the interstellar comet 3I/ATLAS, offering ...

“The universe is not as quiet as we were told.” The line belongs to a dramatic retelling of a disputed signal claim, but it captures a sober scientific problem: the first technosignature humanity ...

The eastern sky is aglow with dawn streaks of orange when the cry of a whistle sounds outside of ICE headquarters in Philadelphia. The noise pierces amid an improvised orchestra of protest, as ...