If some of the laws of physics were only infinitesimally different, we would simply not exist. It almost looks like the universe itself was built for life. But how can that be?
Gravitational waves: are they worth the hype?
In about 10^100 years, the universe will have passed away in a tragic 'heat death'. But don't despair, eventually random conscious brains may pop out in empty space to shake things up.
The idea that our universe is just one in a 'multiverse' of parallel universes is increasingly gathering attention from cosmologists. But can we ever test the theory?
A new model suggests that elliptical galaxies are more likely to be habitable than spiral galaxies like our own. Does that mean we're a freak event and elsewhere is teeming with life?