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

The Big Bang model begins with a point of infinite density where the laws of physics break down. This is a deep theoretical problem that suggests the beginning of the Universe is not fully understood, ...

These black holes are the most distant and stable objects we know. Using a technique called very long baseline interferometry ...

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the ...

Time travel has long been a staple of science fiction, captivating imaginations with the possibility of moving through time ...