extraterrestrial

Giant Meteor Impacts Might Have Triggered Early Earth’s Plate Tectonics

A new study by an Australian-US team has found that a large impact that happened ca. 3.2 billion years ago…

10 months ago

By Continuously Watching the Moon, we Could Detect Interstellar Meteorites

In a new study, a pair Harvard scientists calculated how often interstellar objects could collide with our Moon, and how…

1 year 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?…

3 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,…

3 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…

6 years ago

Aliens Don’t Want To Eat Us, Says Former SETI Director

[/caption] Alien life probably isn't interested in having us for dinner, enslaving us or laying eggs in our bellies, according…

8 years ago

“Snowing Microbes” On Saturn’s Moon?

[/caption] Enceladus, Saturn's 318-mile-wide moon that's become famous for its ice-spraying southern jets, is on astronomers' short list of places…

8 years ago