Universe in a bubble
Maybe we don’t have to speculate about what life is like inside a bubble. It might be the only cosmic reality we know
Echoes of a black hole
Ripples in space-time could herald the demise of general relativity and its replacement by a quantum theory of gravity
Welcome to Terra Sapiens
Humans have been altering Earth for millennia, but only now are we wise to what we’re doing. How will we use that wisdom?
Gravitational wave blues
For a thrilling moment, it looked as though Joe Weber had bagged the biggest discovery in physics
Might nature’s bottomless pits actually be ultra-efficient quantum computers? That could explain why data never dies
Could meteorites be akin to lifeboats from other planets? Or do they reveal more about life on Earth than off it?
How we lost the Moon
The Moon has always enchanted dreamers, but Apollo is a fading memory and routine lunar travel seems as remote as ever