Last year, cosmologists working on the Dark Energy Spectroscopic Instrument (DESI) reported hints that the mysterious dark energy thought to be driving the expansion of the universe may be weakening ...

The catastrophic collision of a black hole and a neutron star sent ripples across the universe. New analysis of those ripples could upend a major theory about how these extreme pairs form. When you ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: Many philosophers and scientists ...

I can accept the apparent violation of the light-speed-limit in the Big Bang theory by picturing there being no space at all before the BB. Before there was nothing, not even space. Then there was ...