Interstellar Winter: Did Galactic Clouds Cause An Ice Age On Earth?

Posted in Science on 18th Jun, 2024
by Alex Muller

The scientists simulated this scenario, and found the cloud could have blocked the heliosphere for anywhere from a few centuries to a million years, leaving Earth fully exposed to particles in the cloud during that time.

Exploding Stars Are Rare-But If One Was Close Enough, It Could Threaten Life On Earth

Posted in Science on 22nd Apr, 2024
by Alex Muller

For a dying star to have any effect on life on our planet, it would have to go supernova within 100 light years from Earth.

Did This Chemical Reaction Create The Building Blocks Of Life On Earth?

Posted in Science on 29th Nov, 2023
by Alex Muller

A chemical reaction called the formose reaction, first discovered in 1861, is one of the best examples of an autocatalytic reaction that could have happened on the early Earth.

Earth Will Likely Dodge 'Planet Killer' Asteroids For The Next 1,000 Years

Posted in Science on 25th May, 2023
by Alex Muller

The good news? No giant asteroids will strike this millennium.

PTN Interviews the MIT 'Space Bubbles' Geoengineering project

Posted in Interviews, Science on 28th Oct, 2022
by Alex Muller

Many People are becoming more concerned with the growing issue of climate change, and there are many proposals as to how to deal with climate destabilisation. One of the projects focuses on Using Bubbles in space to reduce light from the sun, with the intention of protecting the Earth from too much warming. Here is our interview: