A new scientific theory on solar tide effects has dramatically improved the accuracy of calculating how much faster clocks ...

Researchers have unveiled a new model for the universe’s birth that replaces cosmic inflation with gravitational waves as the ...

Evolving dark matter may explain cosmic acceleration. Observations support a mixed model. For years, a stubborn puzzle has ...

Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The idea that space-time exists is no more ...

Scientists have been using complicated, hypothetical particles to explain the Big Bang, but this theory posits that a simpler ...

Connection matters. In a world dominated by screens, it’s easy to forget that we thrive in community, relationships, and ...

SXS—Simulating eXtreme Spacetimes—is an ongoing scientific collaboration that has been generating simulations of dramatic ...

Global Positioning System (GPS) satellites continuously beam down ultra-precise timestamps, each message essentially saying, ...

Black holes are so strange that physicists have long wondered if they are quite what they seem. Now we are set to find out if ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

The key to solving the Korea question lies not in negotiating with the Kim regime, but in helping Korean people in the North ...