For generations, the search for life beyond Earth has focused on avoiding one of science’s biggest mistakes: claiming a ...

A mysterious object speeding across the universe might look like a UFO, but the real story is even more fascinating.

Between the mid-1970s and early 1980s, two physicists, Michael Hart and Frank Tipler, published a controversial series of papers arguing that extraterrestrial intelligence didn't exist. As they argued ...

Steven Spielberg’s sci-fi adventure-mystery about the possibility of aliens on Earth stars Emily Blunt, Josh O’Connor and ...

On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be unexplained flying objects. These file dumps were the culmination of a ...

We frequently question whether we are alone in the universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article was originally ...

From the physical world to the biological universe: Democritus to Lowell -- Plurality of worlds and the decline of anthropocentrism -- Life in the solar system: the limits of observation -- Planetary ...