Starburst galaxies are where stars are forming at such a breakneck rate that the galaxy is eating up its gas supply faster than it can be replenished. There are several different factors that can…

This evening I am blogging from a residence in Sesto val Pusteria, a beautiful mountain village in the Italian Alps. I came here for a few days of rest after a crazy work schedule in the past few…

The umbrella term for the 68 percent of the universe that we can't detect and know nothing about has been given the umbrella term "dark energy." Like wormholes 30 years ago, it is more MacGuffin than…

This is an update to my article: How A "Dwarf Planet" Gas Giant Could Challenge IAU Definition - Pluto, Ceres, Haumea Etc Can All Be Planets. That article pointed out that we could discover a gas…

I think the chances of the SpaceX mission around the Moon going ahead on schedule in 2018 is tiny. But on the remote chance it does, I would not fly on that mission, if you paid me a billion dollars…

I think the chances of the SpaceX mission around the Moon going ahead on schedule in 2018 is tiny. But on the remote chance it does happen, I would not fly on that mission, if you paid me a billion…

SpaceX doesn’t have the capability yet. In this plan, they are depending on a spacecraft which will have its first flight in 2018, the Dragon 2. That’s because they need to be able to do a re-entry…

SpaceX doesn’t have the capability yet. In this plan, they are depending on a spacecraft which will have its first flight in 2018, the Dragon 2. That’s because they need to be able to do a re-entry…

Ethan Siegel has just written an article, "The Science Has Spoken: Pluto Will Never Be A Planet Again", so this is a response to it. I'll argue that far from "story over", actually we could make a…

Yes it would be an exciting day when the first human steps on the surface of Mars, and a matter of prestige for those concerned. This is something I have read about since a child, and would be as…