Time travel has long lived in the realm of science fiction, but a growing body of physics research now argues that journeys into the past might fit inside known laws of nature without tearing ...

An engineer for New York Times Games has been trying to teach artificial intelligence to understand wordplay more like a ...

Marvel’s decision to cast Robert Downey, Jr. as Doctor Doom may have been the talk of Comic-Con, but there was plenty of actual comic book news coming out of the show, too. And perhaps nothing on the ...

Phoenix A* isn't just big; its existence is a cosmic puzzle. How did a 100-billion-solar-mass black hole form in a ...

"Star Trek" fans love a good twist, but sometimes the writers conjure up a turn of events so shocking that even die-hard ...

Time travel is deterministic and locally free, a paper says —resolving an age-old paradox. This follows research observing ...

How confusing inevitability with reality built decades of paradox. What if general relativity never actually tells us that ...

With the S&P 500 near record highs, now is the optimal time for investors to build portfolio resilience by reallocating ...

New details from the Webb telescope indicate there might be a fundamental problem with our understanding of the universe. The spiral galaxy NGC 4258, imaged by the Hubble Space Telescope, measures ...

Heaping disdain on the European Union and shunning the traditional liberal values that have anchored the transatlantic alliance, his administration has instead leaned into Europe’s far right.

The universe’s expansion might not be accelerating but slowing down, a new study suggests. If confirmed, the finding would upend decades of established astronomical assumptions and rewrite our ...