RR Lyrae stars are a special type of variable star that changes in brightness due to radial pulsations that increase and decrease the...

This post is by Tabby Boyajian, one of the Planet Hunters science team at Yale As you all know, planethunter volunteers use archive data...

There was a  great question about transits in response to my post about “What Factors Impact Transit Shape” so I thought I’d answer in a...

Although Kepler was designed to find extrasolar planets, the Kepler light curves with their high temporal cadence and measurement...

Today we have a guest post from Willie Torres. Willie is an astronomer the Harvard-Smithsonian Center for  Astrophysics (Cambridge, MA),...

Haven Giguere/Yale It’s been an exciting week for exoplanets with the discovery of PH1 and the discovery of an Earth-mass  planet around...

Today we have a guest post from Bill Keel. Bill is a member of the science team for Galaxy Zoo, and is more accustomed to dealing with...

Today we have a guest post by fellow Planet Hunter Daryll (nighthawk_black) updating us on the search for dwarf novae and cataclysmic...

We have a guest post from Martin Still. Martin is Deputy Science Team Lead and Guest Observer Office Director for Kepler. He’s writing...

I think one of the hardest types of light curves to classify in terms of variability as well as identifying transits in are the pulsating...

Today’s post is brought to you by guest blogger Charles Baldner, who will be writing a few blog posts this summer on topics related to ...

I was talking to last week’s seminar speaker, and we were talking about Planet Hunters and some of the things that might be lurking in...

We wanted to talk more about the changes to the site and give you all an update on the addition of Quarter 2 data. John’s already...

Thanks again for your amazing work and feedback.  We are working to keep up with you! There is now a data-download button (thanks to...

Dear Planet Hunters: Dr. Natalie Batalha, Deputy Science Team Lead for the Kepler Mission, asked us to post the following message:...

The reasons for changes in the brightness of a star can be divided into two categories: (1) orbiting companions or (2) stellar...

Figure 1. Eclipsing Binary (detached, Algol type) I’m Debra Fischer, a Professor of Astronomy at Yale University. Many of you have...

Powody zmian jasności gwiazd można podzielić na dwie kategorie: (1) orbitujący towarzysze oraz (2) astrofizyka gwiazd. (1) W teorii...

Hi I’m Matt, a graduate student at Yale University and a member of the Science Team. We’re really impressed with the turnout so far on...

Greetings from Kevin Schawinski and Meg Schwamb, postdoctoral fellows at Yale and members of the Science Team. Wow, we’ve been blown away...