Where do y'all buy and sell now that AstroMart is more or less defunct?

(MODERATOR'S NOTE: I thought this was such a great posting, I decided to run it again.) REVISED LIST OF WORLD'S GREATEST SCIENTISTS BASED ON...

On many sites, I've found graphical and/or tabular representations of the result of the equation of time, but not the algebraic equation itself. Can someone...

i've always assumed natual gas was of an organic origin,but was watching a show on the debate of pluto as a planet and they stated that there was frozen...

and could gama ray bursts be blue shifted x-rays

why don't we just call it Drake's Opinion, and leave it at that? we are way premature about other Earths, aren't we? i run SETI on an dedicated extra...

the short answer is - it depends on how fast you are going, and multiply/divide that with the distance... i would guess 3 years, but i've been wrong...

....the space agency is offering free software code that relates to all these things, so other agencies can tap its knowledge...

i didn't pay much attention to this recent news story until i read the asteroid is a Half Mile Long...! my...

Stephen Hawking says we have 100 years to colonize a new planet—or die. Could we do it? Here's what it would take to survive this particular doomsday...

The aim is to drop its lander Philae at a location dubbed 'Site J' on the 4-kilometer (2.5-mile) wide comet 67P/Churyumov-Gerasimenko. The maneuver will take...

look at the big picture it's the system lobbyists term limits might work marc

more guns please, so we can stop this kind of thing everyone should have one, even 3 year olds, in case her 6 year old brother assaults...

"People tend to only pay attention to gun safety issues after these mass killings but this is happening all the time to our children and it's totally...

formulating a question in my mind... if our current universe is xxx+ trillion miles across, and may be getting larger and larger and larger, was the space ...

I have mixed feelings about this venture. Man can sometimes/manytimes make things worse, such as starting stupid unnecessary wars. Can't we learn from some of...

I'm sure I'm not the 1st to think of this, but... is Mars close enough to make this a Practice Deflection, of an asteroid? Is there enough time, to try...

the laws of our universe, evidently, say anything with mass creates gravity? is it the energy that creates the gravity, or the mass, or the combination, or...

the Zero Sum Universe is a very interesting concept i was wondering if Black Holes Might play a part of the balancing out in the past, i didn't see how...

NASA's Van Allen Probes Spot Man-Made Barrier Shrouding Earth Humans have long been shaping Earth’s landscape, but now scientists know we can shape our...