Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

Embark on a breathtaking visual voyage through the Milky Way galaxy to discover some of the most spectacular, bizarre, and ...

Beta Pictoris b appears to have an aurora caused by a powerful magnetic field. If confirmed, it would be the first such field ...

When the James Webb Space Telescope detected potential biosignatures in the atmosphere of K2-18 b last year, the discovery sparked intense debate. Here was a sub-Neptune exoplanet 124 light years away ...