What do aliens sound like? We have no idea, but for Hollwood's smash hit "Project Hail Mary", that was the question that Oscar-winning sound editor Ethan Van der Ryn ("King Kong," "The Lord of the ...

In the frozen vastness of Antarctica, a giant, spider­like antenna eavesdrops on radio waves pulsing around Earth via our planet’s magnetic field. Triggered by solar winds and lightning, these waves ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...