What If on MSN

Have we already made contact with aliens?

Since the 1960s, scientists working with SETI (Search for Extraterrestrial Intelligence) have been monitoring the universe for artificial radio signals. The idea is simple. If another civilization ...
Hosted on MSN

Can aliens travel to Earth? Here's why physics makes interstellar flight nearly impossible

The Pentagon on 22 May 2026 released a second trove of once-classified images and video footage of unexplained flying objects over the United States, reigniting the debate over whether ...