The possibility of alien life has moved from fiction to scientific inquiry, fueled by government interest in UAP reports. While scientists haven't confirmed alien spacecraft, the universe's vastness ...

Hidden beneath the placid surface of a Siberian lake, a robot has mapped a landscape that looks more like an alien seabed than a freshwater basin. By tracing plumes of gas and reshaped sediments, ...

Artist’s illustration of interstellar comet 3I/ATLAS releasing gas and dust as it passes through the solar system. Astrobiology Web Interstellar comet 3I/ATLAS shows unusually high methanol levels.