To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.

The mysterious space rock that passed through our solar system grew significantly brighter as it left, according to scientists. Researchers say Comet 3I/ATLAS, suggested to be a hostile alien ...

For over six decades, the Search for Extraterrestrial Intelligence (SETI) has been tirelessly scanning the cosmos for signs of alien life. Despite its extensive efforts, the universe remains eerily ...

We may have been missing signals from intelligent aliens because of solar wind. Researchers from the Search for Extraterrestrial Intelligence (SETI) Institute say this means we have been watching for ...