Latest about space-time
Epic Gravitational Wave Detection: How Scientists Did It
To spot gravitational waves directly for the first time ever, scientists had to measure a distance change 1,000 times smaller than the width of a proton. Here's how they did it.
Gravitational Waves: A Black Hole Is Trying to Slap You — Can You Feel It?
Studying the ripples in space-time known as gravitational waves could allow astronomers to open a new window on the universe.
Time Warps and Black Holes: The Past, Present & Future of Space-Time
The discovery that space and time combine to make a single continuum has permitted numerous breakthroughs in physics. Will scientists ever understand it at the small-scale levels?
Hubble's 'Einstein Cross' Supernova Strikes Back
An ancient supernova that was serendipitously captured in four Hubble space telescope images thanks to a naturally occurring cosmic magnifying lens has reappeared, as astronomers predicted.
Relativity's Legacy: Your Guide to Traveling the Galaxy in Only 20 Years
If you left Earth at near-light-speed, would you really want to come back?
