Extrasolar Planets
What If All of Kepler’s Exoplanets Orbited the Same Star?
That's exactly the scenario shown by a mesmerizing animation called "Worlds" by Alex Parker -- a single system containing 2299…
Two “b”‘s in the Beehive
Praesepe (aka. the Beehive Cluster) As astronomers near the 800 mark for confirmed extra solar planets, it seems that notable…
Exoplanet Gliese 581g Makes the Top 5
Exoplanet Gliese 581g is back, and "officially" ranking #1 on a list of potentially habitable worlds outside of our solar…
Nearby Magma Exoplanet is Smaller Than Earth
Caption: This artist's concept shows what astronomers believe is an alien world just two-thirds the size of Earth. Image credit:…
Sifting Starlight, Finding New Worlds
Looking directly at stars is a bad way to find planets orbiting faraway suns but using a new technique, scientists…
Exoplanet’s Atmosphere Undergoes Dramatic Variations
Since its discovery in 2005, exoplanet HD 189733b has been one of the most-observed extra solar planets, due to its…
How to Measure a Hot Jupiter
An international team of astronomers has figured out a way to determine details of an exoplanet's atmosphere from 50 light-years…
What a View! Exoplanet Odd Couple Orbit in Close Proximity
Imagine if the Neptune was only a million miles from Earth. What a view we’d have! … not to mention…
Terrestrial Planets Could be More Common Than Gas Giants
Editor’s note: This guest post was written by Andy Tomaswick, an electrical engineer who follows space science and technology. As…
First SETI Search of Gliese 581 Finds No Signs of ET
[/caption] The first targeted SETI search of a system with a potentially habitable world has come up empty, but perhaps…