Guide to Space

Beyond “Fermi’s Paradox” V: What is the Aestivation Hypothesis?

Is it possible that the aliens are not hiding, but sleeping and waiting for the Universe to get better?

5 months ago

Beyond “Fermi’s Paradox” IV: What is the Rare Earth Hypothesis?

Looking to answer the question of "where are all the aliens," some scientists have suggested that planets like Earth might…

6 months ago

Beyond “Fermi’s Paradox” III: What is the Great Filter?

In 1996, economist/futurist Robin Hanson proposed a possible resolution to the Fermi Paradox: there's a "Great Filter" that prevents intelligent…

6 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…

11 months ago

Who was Aristotle?

In the history of science, few scholars have as much of an enduring influence as classical philosopher Aristotle, whose theories…

11 months ago

Messier 94 – the Cat’s Eye Galaxy

Located in the constellation Canes Venatici, roughly 15 million light years from Earth, is the spiral galaxy known as the…

1 year ago

How Do We Colonize Ceres?

How might humanity go about establishing a colony on Ceres, the largest object in the Main Asteroid Belt?

1 year ago

Messier 93 – the NGC 2447 Open Star Cluster

Located about 3,600 light-years from Earth in the constellation Puppis is the open star cluster known as Messier 93.

1 year ago

What Will It Take To Feed A Million People On Mars?

In 2017, Elon Musk laid out his grand sweeping plans for the future of SpaceX, the company that would take…

1 year ago

Messier 92 – the NGC 6341 Globular Cluster

Located in the Hercules constellation, roughly 26,700 light-years from Earth, is the globular cluster known as Messier 92.

1 year ago