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

What's up with those machines?

Deeply hopeful, spectacularly produced, and equally adept at laughter and tears, "Project Hail Mary" is the best new movie to ...

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 ...

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 ...

The guy pouring my beer in Anchorage told me that he knew there was no truth to decades-old rumors about a research facility 200 miles to the northeast. Nobody was up there talking to aliens or ...

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 ...

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 ...

The Roman Space Telescope's next generation coronagraph instrument will help deliver amazing views of exoplanets. Learn how it works. NASA's Nancy Grace Roman space telescope will send the hunt for ...

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

Nasa has completed the assembly of the Nancy Grace Roman Space Telescope. This mission will map the universe 100 times faster than Hubble.