A color-coded X-ray image from ground-based testing at SPring-8 shows the X-ray optics successfully focusing X-rays onto a sharp central point. Yellow-green indicates the highest X-ray concentration, ...

Scientists in Japan have developed a high-resolution X-ray telescope sharp enough to distinguish an object just 3.5 mm wide from one kilometer away, by combining precision mirror-making technology ...

Seattle, Wash. – A team of University of California, Berkeley, astronomers announced today (Thursday, Jan. 9) that its robotic telescope has captured one of the earliest images ever of the visible ...

When you look at the night sky, do you ever wonder what's going on out there? On a clear night with a dark sky, if moonlight doesn't wash it out, sometimes you can see the arc of the Milky Way. The ...