Is it possible for a quark star to exist?

Scientists don't have strong evidence yet for the existence of quark stars, suns made of these elementary subatomic particles instead of protons or neutrons.

PPT - Quark Stars PowerPoint Presentation, free download - ID:3210057

Ask a Spaceman: The Quirks of Quark Star Physics

Transformation of the universe: Secret quark nuclei exist in neutron stars – Meson Stars

What are strange stars? - Quora

Forget dark matter, STRANGE matter could be lurking somewhere in the universe

In the core of a neutron star

Four crazy stars astronomers think might really exist

Strange quark star may have formed from a lucky cosmic merger

Weird new form of nuclear matter might lie just beyond experimenters' grasp, Science

Ask a Spaceman: The Weird Physics of Quark Stars (If They Exist)

Physics - Nuggets of New Physics

PDF) Lattice QCD constraints on hybrid and quark stars E. Kolomeitsev, A. Khvorostukhin, toneev viacheslav, Yuri Ivanov, and Andrey Hvorostuhin