Attention human. You are receiving an interstellar radio transmission. And it could be coming from one of the nearest ...

Astronomers searching for signs of extraterrestrial intelligence may have been missing alien signals in part of the radio spectrum that has not recently been explored. Most radio SETI (Search for ...

Astronomers may have been listening for alien civilizations in only a small slice of the radio spectrum while overlooking a largely unexplored range of higher frequencies. Using archived data from the ...

Dr. Tyson is an astrophysicist and the author of “Take Me to Your Leader: Perspectives on Your First Alien Encounter.” See more of our coverage in your search results.Encuentra más de nuestra ...

With humor, science and plenty of pop culture references, Neil deGrasse Tyson’s latest book explores what we know — and don’t ...

If intelligent aliens are out there, why aren’t we hearing from them? Are they silently observing us like zoo animals, or staying quiet out of fear that they’d catch the attention of a bloodthirsty ...

When the Trump administration registered the domains Aliens.gov and Alien.gov in March, UFO conspiracy theorists wondered whether they might finally get answers they’d long awaited. But coming on the ...