Astronomers want your help hunting for asteroids

Anyone can become an asteroid hunter thanks to a new program launched by astronomers at the University of Arizona Lunar and Planetary Laboratory. As part of the Catalina Sky Survey, the scientists created an online portal ...

M84: 'H' is for hot and huge in Chandra image

With a single letter seemingly etched in the X-ray glow around it, a giant black hole at the center of a massive elliptical galaxy is making a mark on its surroundings.

Astronomers use novel technique to find starspots

Astronomers have developed a powerful technique for identifying starspots, according to research presented this month at the 241st meeting of the American Astronomical Society.

Astronomers begin to understand strange 'backsplash' galaxies

Clusters of galaxies do not appear in an instant. Instead they gradually form through the accumulation of many galaxies. But when galaxies fall in they don't just stop moving. Instead, they keep moving around. These are called ...

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