Scientists believe they have discovered the strongest signs yet of alien life on a distant ocean-covered planet far beyond our solar system. The possible landmark discovery was made by scientists ...

If TOI-561 b has an atmosphere, it would mean even rocky exoplanets exposed to the harshest conditions can have air, ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these signals are likely sent as narrowband radio waves, we may now have a way to ...

An ocean world that's teeming with microbes — and who knows what other kinds of life — is currently the best explanation for some chemical signatures that the James Webb Space Telescope has spotted in ...