Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these signals are likely sent as narrowband radio waves, we may now have a way to ...

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

For more than 70 years, scientists have sought evidence of intelligent aliens by hunting for radio signals — interstellar messages beamed billions of miles across space. But for Harvard astrophysicist ...

The Drake Equation helps scientists estimate the odds of finding intelligent alien civilizations. It’s an age-old question: Do aliens exist? And what are the odds we’ll make contact? A famous ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

So many things had to happen for us (humans) to end up here (Earth). Our species is made possible because a water-filled planet orbits a particular distance away from a star of a particular size.