This alignment won't happen again until...2040
physics
One step closer to sci-fi
We have known for the better part of a century that the universe is expanding by the observation that galaxies are moving away from us
Using big telescopes, astronomers see millions of galaxies out there – and they just keep going, in every direction
Strange Milky Way object sends radio bursts a minute at a time
Sci-Fi technology
A new study shows that extreme black holes could break the famous “no-hair” theorem, and in a way that we could detect
The change could be far more fundamental, suggesting for instance that Einstein’s general theory of relativity could need replacing
Australian scientists say they have "squared the numbers" of the grandfather paradox
A new paper suggests that the mysterious X17 subatomic particle is indicative of a fifth force of nature