Extrasolar Planets

25% of Sun-Like Stars Could Host Earth-Sized Worlds

[/caption] A five-year survey of nearby solar-mass stars has provided astronomers with an estimate of how many stars of this…

14 years ago

The Hunt for Young Exoplanets

While there is a great deal of excitement and effort in the hopes of finding small, terrestrial sized exoplanets, another…

14 years ago

The Strange Warm Spot of upsilon Andromedae b

[/caption] If you set a big black rock outside in the Sun for a few hours, then go and touch…

14 years ago

The Tug of Exoplanets on Exoplanets

Earlier this year, I wrote about how an apparent change in the orbital characteristics of a planet around TrES-2b may…

14 years ago

The Habitability of Gliese 581d

The Gliese 581 system has been making headlines recently for the most newly announced planet that may lie in the…

14 years ago

Probing Exoplanets

Sometimes topics segue perfectly. With the recent buzz about habitable planets, followed by the raining on the parade articles we've…

14 years ago

Missing Molecules in Exoplanet Atmospheres

[/caption]Every day, I wake up and flip through the titles and abstracts of recent articles posted to arXiv. With increasing…

14 years ago

Buzz About Gliese 581g: Doubts of Its Existence; Aliens Signals Detected

[/caption] Ever since the announcement of the discovery of exoplanet Gliese 581g, there has been a buzz in the news,…

14 years ago

Astronomy Cast Ep. 202: The Planets at Gliese 581

With the discovery of a planet in the habitability zone of Gliese 581, the chances of finding life on other…

14 years ago

Comet Hartley 2 Scouted by WISE, Hubble for Upcoming Encounter

[/caption] In a little less than a month, NASA's Deep Impact spacecraft (its current mission is called EPOXI) will fly…

14 years ago