The Hubble data in red, green and blue shows the elliptical galaxy in the middle of the image, along with other galaxies in the field. The quasar is known as RX J1131-1231 (RX J1131 for short ...

This energy emission carries away any gas and dust in the vicinity, leaving a blue quasar behind. The team reached this new conclusion by studying 10,000 red and blue quasars in various stages of ...

One major difference is that red dwarfs are much dimmer and hoard their nuclear fuel over longer spans of time. So, while a solar-type star can burn hydrogen for only about 10 billion years, some ...

Our Milky Way galaxy's most common type of star is called a red dwarf - much smaller and less luminous than our sun. These stars - or so it was thought - simply are not big enough to host planets ...