One of the most puzzling findings from the JWST's observations of the early universe is the size of black holes. According to ...

Remember when I warned everyone that humans would probably destroy all life in the universe like construction workers killing ant colonies to make way for a never-ending series of cosmic strip malls?

Scientists have developed a new technique that could turn black hole collisions into cosmic detectors for dark matter, ...

Physicists may soon witness a cosmic fireworks show: the explosive death of a primordial black hole. Once thought to be unimaginably rare, new research suggests there’s up to a 90% chance of catching ...

What kind of physics is happening inside a black hole? Scientists have a lot of ideas, but taking any concrete measurements is borderline impossible—that is, unless you want to be spaghettified or ...

Some things in cosmology may simply be unknowable. Why is there something rather than nothing? What lies outside the universe? What is inside a black hole? That last one has been niggling at ...

What if some of the alien worlds we've discovered are not actually planets at all? Astronomers have spent years cataloging thousands of worlds orbiting distant stars, assuming that if something has ...