Is Pluto a planet? What's up with the "space jellyfish?" And are aliens real? Astrophysicist, speaker and author Neil deGrasse Tyson, who is stopping in Pittsburgh later this month, answers our ...

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have taken a close look at our activity within the solar system to determine where to look for signals from intelligent ...

Alien solar systems that are home to so-called "hot Jupiters" — gas giants circling sizzlingly close to their stars — are unlikely homes for Earth-like planets, researchers say. Hot Jupiters get their ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Being able to spot the Earth, let alone any signs of life on our planet, would require an enormous telescope from 66 million ...

Now, there may be an answer, according to a new paper published on the preprint site arXiv: The aliens are out there, alright. We just have to give them time to notice us and reach out to us. The ...

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