alien

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…

7 years ago

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?…

7 years ago

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,…

7 years ago

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,…

7 years ago

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…

7 years ago

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…

10 years ago

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…

10 years ago

Alien Life May Not Be So Alien – If It Exists At All

[/caption] Are we too hopeful in our hunt for extraterrestrial life? Regardless of exoplanet counts, super-Earths and Goldilocks zones, the…

12 years ago

Is This Proof of Life on Mars?

[/caption] The Curiosity rover is currently on its way to Mars, scheduled to make a dramatic landing within Gale Crater…

12 years ago