Findings from the Dark Energy Spectroscopic Instrument (DESI) suggest that dark energy could be evolving over time. If they're right, cosmology will need a new model. When you purchase through links ...

Time has an arrow: It only ever seems to move in one direction. The future is always unknown to us, while the past forever remains locked and inaccessible. And yet, the vast majority of the laws of ...

It’s not just in your head — time can actually flip. Physicists in New York have pulled off what sounds like a page ripped from a sci-fi script: They’ve confirmed that “time mirrors,” a trippy ...

The researchers calculated that the end of the universe is about 10^78 years away (a 1 with 78 zeros), if only Hawking-like radiation is taken into account. This is the time it takes for white dwarf ...

It is believed that matter, motion, gravity, and everything else we know of originated from the three dimensions of space and one of time. However, a new idea challenges this theory, suggesting that ...