Add Yahoo as a preferred source to see more of our stories on Google. This image of interstellar comet 3I/ATLAS was captured by the Hubble Space Telescope's Wide Field Camera, July 21, 2025. (photo ...

Former NASA astronaut Winston Scott said he believes intelligent alien life exists, but cautioned that military conflict in ...

The Very Large Array is a collection of 27 radio antennas located near Socorro, New Mexico. Each antenna in the array measures 82 feet (25 m) in diameter and weighs about 507,000 pounds (230 metric ...

When/if alien life ever cruises toward Earth in big spaceships, we’re probably not just going to see it; we’re going to hear it via narrow radio signals. If an extraterrestrial civilization wanted to ...

What if aliens were building a massive power plant?Last time, I talked about the "Kardashev scale," which classifies the ...