Add Yahoo as a preferred source to see more of our stories on Google. Sometimes it seems like we got to the galactic party late and everyone has already gone home. Our species only figured out how to ...

The idea that our first confirmed alien signal might be a civilization’s final broadcast is rooted less in pessimism than in probability. If technological societies are fragile, then the cosmos could ...

In his classic science fiction novel Contact, Carl Sagan remarked, “The universe is a pretty big place. If it's just us, seems like an awful waste of space.” Physicist Enrico Fermi is credited with ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

If so, why haven’t they said hello? The humble residents of this pale blue dot have been on a quest to find an alien civilisation for more than a century. First, it was the “canals” of Mars. Then ...

Remember when I warned everyone that humans would probably destroy all life in the universe like construction workers killing ant colonies to make way for a never-ending series of cosmic strip malls?

Forbes contributors publish independent expert analyses and insights. I cover aerospace, astronomy & hosted The Cosmic Controversy Podcast. Nov 17, 2025, 05:21am EST Nov 28, 2025, 12:25am EST A team ...

What new methods can be used to detect alien technosignatures? This is what a recent study published in The Astrophysical Journal Letters hopes to address as a team of researchers from Pennsylvania ...