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…

5 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?…

5 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,…

5 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,…

5 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…

5 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…

8 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…

9 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…

10 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…

10 years ago