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 much ...

Small red stars make up three out of every four stars in the galaxy, and many host planets. Credit: Johns Hopkins APL illustration Perhaps surprisingly, the majority of stars in the galaxy are not sun ...

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Using the Hubble Space Telescope (HST), Italian astronomers have observed five blue straggler stars in the globular cluster 47 Tucanae. Their results show that one of these stars has a white dwarf ...