Using ESO's Very Large Telescope Interferometer (VLTI) at Cerro Paranal, Chile, and the CHARA Interferometer at Mount Wilson, California, a team of French and North American astronomers has discovered ...

A team of researchers at the University of Warsaw has created the most accurate 3-D model of the Milky Way Galaxy to date. In their paper published in the journal Science, the group explains how they ...

Observing and studying our own galaxy, the Milky Way, can be a bit like trying to take in the view of an entire forest while standing inside it. But instead of trees obscuring the view, it’s gas and ...

Using ESO’s Very Large Telescope Interferometer (VLTI) at Cerro Paranal, Chile, and the CHARA Interferometer at Mount Wilson, California, a team of French and North American astronomers has discovered ...

Scientists have clocked the speed of Cepheid stars -- 'standard candles' that help us measure the size of the universe -- with unprecedented precision, offering exciting new insights about them.

An high resolution image is available at http://www.eso.org/public/outreach/press-rel/pr-2008/phot-30-08.html Pulsating stars enable a new precise determination of ...

Henrietta Leavitt joined the Harvard College Observatory as a volunteer in 1895. She was appointed to the permanent staff in 1902, and eventually became chief of the photometry department. She worked ...

The galaxy we live in is totally bent out of shape. At least, that’s what the latest three-dimensional map of the Milky Way has to say. By pinpointing the locations of more than 2,400 pulsing ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. A quick glance up at a dark night sky reveals a wondrous assortment of ...

“Classical Cepheids” are a type of pulsating star that rhythmically brightens and dims over time. These pulsations help astronomers measure vast distances across space, which makes Cepheids crucial ...