alpha centauri

A Review of “Extraterrestrial” by Prof. Avi Loeb

Professor Avi Loeb's new book, Extraterrestrial, tells the tale of how he 'Oumuamua may be humanity's first interstellar messenger.

2 days ago

Possible Super-Earth in the Habitable Zone at Alpha Centauri

Astronomers using a new technique may have not only found a super-Earth at a neighbouring star, but they may also…

3 weeks ago

A 2nd Planet has been Confirmed for Proxima Centauri

Our closest stellar neighbour is Proxima Centauri, a small red dwarf star about 4.2 light years away from us. It's…

9 months ago

How Will we Receive Signals From Interstellar Probes, Like Starshot?

A new study takes a look at the challenges of sending and receiving data over interstellar distances using tight-beam lasers

9 months ago

What is a Generation Ship?

The concept of a Generation Ship is a time-honored one, but is it the best way to send an interstellar…

1 year ago

Of the Two Stars in Alpha Centauri, One is Probably More Habitable than the Other

A new study has shown that the Alpha Centauri is not likely to support life and that one of its…

1 year ago

New Instrument is Searching for Planets Around Alpha Centauri

Alpha Centauri is the closest star system to us, at 4.37 light-years (about 25 trillion miles) away. In 2016, astronomers…

2 years ago

What Would be the Benefits of an Interstellar Probe?

A new study from the Initiative for Interstellar Studies outlines the benefits and requirements of sending a probe on an…

2 years ago

What Would a Camera on a Breakthrough Starshot Spacecraft See if it’s Going at High Velocity?

In a recent study, a pair of astrophysicists suggest that Breakthrough Starshot could also test Einstein's Theory of Special Relativity…

3 years ago

Chandra Observatory Checks to Make Sure Alpha Centauri is Safe, You Know, in Case We Decide to Visit

Using over a decade of data collected by the Chandra X-ray observatory, a new study indicates that the Alpha Centauri…

3 years ago