Alex explores the possibility that life may exist on Saturn's Moon Titan. He references multiple credible sources to give credence to his thoughts as he explores the potential of our solar system!
Nobody knows exactly where this probe is nowadays. NASA lost contact with it in 2003, ending a 30-year mission. But there's a milestone here, it's now the furthest derelict man-made object.
For high-grade worry warts there’s now a way to determine just what will happen if their community is hit by a space invader.
The Earth has an exceptionally large moon compared to the size of other planets' moons. Start exploring the celestial sphere by observing our beautiful natural satellite.
The first of four basic guides to the night sky, and what can be seen with the naked eye or binoculars. This page identifies the many kinds of objects you can see when you look up at the night sky
This is the third page in a series of guides for anyone who wants to learn a little more about our night sky. This page looks at those most numerous of all objects visible in the night sky - the stars
This is the fourth page of a series of guides to the night sky for beginners. Here, I look at the most prominent objects other than our Moon and the stars, which can be easily seen in the night sky.
Neil deGrasse Tyson is an astrophysicist who does scholarly research but also can explain cosmology to the average person. I provide a bio and include some quotes that reveal the inner man.
How do we measure the distance to far away objects? A tough talk for sure, and the history behind the theories involved are just as interesting.
Recently, scientists have become concerned about the celestial movements of asteroids and comets—so much so that they have set up several observatories around the planet to track these objects.
Most of us expect galaxies to be filled with the light of thousands of millions of stars, but another type of galaxy is thought to exist – one that contains hardly any stars at all.
This is a basic guide to what you can see on the surface on the Moon - there is as much that can be seen on the Moon with a pair of binoculars, than in the whole of the rest of the sky put together.
This is about the endurance of humans during intergalactic travel, based on my studies of human survival.
Earth will one day be rendered uninhabitable, and humans will move forward in colonization and terraforming efforts. Here we debate the ethical dilemmas and relevant laws and policies.
This article summarizes the threat that asteroids and comets pose to the Earth. A short history of some of the greatest asteroid impacts on Earth is also provided.