Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

According to Einstein, time is not fixed - it changes depending on speed and gravity. On Mercury, closer proximity to the Sun ...

Clocks might be far more fundamental to physics than we ever realized. A new theory suggests what we see around us – from the ...

What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...