The Fermi Paradox asks a simple but unsettling question: if the universe is so vast, why haven’t we found evidence of alien civilizations? Scientists have proposed many explanations, but some of the ...

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 ...

Shaped by a different biology or culture, other intelligent civilisations – if they’re out there – might understand the ...

The standard cosmological model (present-day version of "Big Bang," called Lambda-CDM) gives an age of the universe close to 13.8 billion years and much younger when we explore the universe at ...

Most messages are press releases about astronomical discoveries—okay, scratch that; most of them are spam, but science announcements are an easy second place. But I also get questions from readers ...

Astronomers have discovered a vast, dense cluster of massive galaxies just 1 billion years after the Big Bang, each forming stars at an intense rate from collapsing clouds of dust. Reported in ...

A financial crisis could be triggered by an announcement that aliens exist, according to Helen McCaw, a former policy expert of the Bank of England. McCaw told The Times of London that politicians and ...

Astronomers spotted nine galaxies with characteristics that have never been seen as a collection before. It's possible this is a newly found type of star-forming galaxy. When you purchase through ...

The vast majority of stars form and reside within galaxies due to the presence of cold, dense molecular gas clouds conducive to star formation. True intergalactic space, characterized by low-density ...

Two space telescopes really are better than one. This month NASA released a new image that combines observations from the James Webb Space Telescope (JWST) and the Chandra X-ray Observatory of two ...

After over 15 years, director Steven Spielberg is finally getting back into the world of alien invaders. Sure, as a producer, Spielberg has continued to attach his name to shows like Falling Skies and ...

Approximately 424 million light-years away, a vast chunk of the cosmic web (the network-like distribution of matter the universe displays on the largest scale) appears as if it’s been caught in a ...