• How Do Asterisms Differ From Constellations?

    Is the Big Dipper a constellation, an asterism, or both? The answer to this question may surprise you. Let's explore the fascinating world of astronomical asterisms, and discover how they differ from constellations.
    By Donna Cosmato July 6, 2011 

  • The Great Attractor: It's Headed Right For Us!

    In the 1970s astronomers discovered that something is pulling our solar system towards it. In the 1980s they found that it was actually pulling all of the surrounding galaxies. We have no idea what it is, but have aptly named it the Great Attractor...
    By Andy Dziuba July 4, 2011 

  • Astrometry Techniques Used to Find Extrasolar Planets

    Finding planets around other stars may not be like finding a needle in a haystack, but it isn't much easier, either. Read on to find out how a new technique managed to finally succeed in finding a planet, and why it may be significant in the long...
    By Sean Fears June 30, 2011 

  • About Triple Star Systems

    Nearly half of all star systems that we have observed have more than one star in them. A triple star system, also known as ternary or trinary, is a group of three stars in a single solar system. These interesting formations may actually be more common...
    By Andy Dziuba June 30, 2011 

  • A Snowball in Space

    Recent evidence seems to suggest that small comets might be penetrating the atmosphere of Earth regularly. Such a comet resembles a snowball in space. These snowballs might even be responsible for the water on our planet.
    By Finn Orfano June 30, 2011 

  • Super-Earths - Can They Sustain Life?

    A super-Earth is a planet which exists outside of our solar system (extra-solar) and is similar to Earth in density. Might these planets be capable of inhabiting life? Read on, to find out.
    By dianahardin June 30, 2011 

  • Facts and Details About Lenticular Galaxies

    Lenticular galaxies are intermediate galaxies in the Hubble classification scheme between elliptical and spiral galaxies. In this article, we will explore some interesting facts about these island universes, including how they are thought to be formed...
    By Nick Oza June 28, 2011 

  • Interesting Facts About the Hourglass Nebula

    The Hourglass Nebula is a unique and fascinating planetary nebula. Planetary nebulae are formed from dying stars and are important in the evolution of a galaxy. We will explore some interesting facts about this fascinating nebula, including how it was...
    By Nick Oza June 28, 2011 

  • Asteroid Mining - Can it be Done?

    Is it merely science fiction, or could it become science fact that one day manufacturing resources could come from space, from within our own Solar System, by the process of asteroid mining? How plausible might it be? Can asteroid mining actually...
    By VinceSummers June 28, 2011 

  • Nothing But the Facts About the Eagle Nebula

    The brilliant images of the Eagle nebula and its “Pillars of Creation” have helped the public appreciate the wonders of the Universe. Here are some of the most interesting facts about the star-forming nebula and its associated star cluster...
    By Anurag Ghosh June 27, 2011 
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