alien
Do Planets Have the Raw Ingredients for Life? The Answer is in their Stars
Finding planets that already have, or have the ingredients for intelligent life is a real challenge. It is exciting that…
That’s No Planet. Detecting Transiting Megastructures
One of the easiest ways to find exoplanets is using the transit method. It relies upon monitoring the brightness of…
There’s Another, More Boring Explanation for those Dyson Sphere Candidate Stars
Dyson Spheres have been a tantalising digression in the hunt for alien intelligence. Just recently seven stars have been identified…
Do Stars Move? Tracking Their Movements Across the Sky
The stars look static in the sky, but are they moving? How fast, and how do we know? What events…
What Are Fast Radio Bursts?
Here's a big mystery in astronomy: fast radio bursts. Brief shrieks of radio waves coming from space. What are they?…
Do I Believe in UFOs?
Everyone always wants to know if I believe in aliens. They really want to know if I believe in UFOs,…
What Are Multiple Star Systems?
Not all stars are alone. Some come in pairs and more. And when there are multiple stars in a system,…
What If We Do Find Aliens?
We've been so busy wondering how we'll find aliens that we never stopped to consider what we'll do if we…
Will We Find Alien Life Within 20 Years? You Can Bet On It.
During a hearing last week before the U.S. House Science and Technology Committee SETI scientists Seth Shostak and Dan Werthimer…
These Antarctic Research Photos Look Like Exploration on Another Planet
Some day, human explorers will land a spacecraft on the surface of Europa, Enceladus, Titan, or some other icy world…