The Einstein zig-zag could help answer big questions, like how fast the universe is expanding and what dark energy really is. At the heart of this system, labeled J1721+8842, lies a single quasar.

For the first time, researchers have used data from the James Webb Space Telescope to uncover an example of a previously hypothetical phenomenon known as an "Einstein zig-zag" — where light from ...

Unlike previous gravitational lenses, though, J1721+8842’s structure indicates that light in the lens zigzagged through the two galaxies; hence, the first-ever “Einstein zig-zag lens.” ...

This 4/20, the iconic Zig-Zag brand takes over the world's most famous intersection: Times Square. As the presenting sponsor of Cannabis Now's Official 4/20 Countdown Celebration, Zig-Zag is ...

This 4/20, the iconic Zig-Zag brand takes over the world's most famous intersection: Times Square. As the presenting sponsor of Cannabis Now's Official 4/20 Countdown Celebration, Zig-Zag is making ...