Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping ...

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

For decades, the search for extraterrestrial intelligence has focused on subtle whispers in the cosmic noise, the faint, ...

Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.

SETI's 1977 "Wow!" signal from deep space was even stronger than originally thought, but its source remains a complete ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

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

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

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 ...

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

"Considering the direction and frequency of our most common signals gives insights into where we should be looking to improve our chances of detecting alien technosignatures." When you purchase ...

Today, the House Science Committee held a hearing on "Astrobiology and the Search for Life in the Universe," discussing the steps we've taken to search for life in outer space. Unfortunately, we're ...