Take it with a grain of salt. The reaction of the astronomer community is much more skeptical than this article leads you to believe. The paper in question, for

Take it with a grain of salt. The reaction of the astronomer community is much more skeptical than this article leads you to believe. The paper in question, for instance, has been "withdrawn until further data is available" from arxiv. There are many who think it can be an issue of data reduction - i.e. the process that leads from the raw instrument data to a publication-grade result.