The nearest stars to the Earth are in the Alpha Centauri triple-star system. It is about 4.37 light-years away. One of these stars Proxima Centauri is slightly closer, at 4.24 light-years.
Of all the stars closer than 15 light-years, only two are spectral type G, similar to the sun: Alpha Centauri A and Tau Ceti. The majority are M-type red dwarf stars.
Only nine of the stars in this are are bright enough to be seen by the naked human eye from the Earth. These brightest stars include Alpha Centauri A, Alpha Centauri B, Sirius A, Epsilon Eridani, Procyon, 61 Cygni A, 61 Cygni B, Epsilon Indi A and Tau Ceti.
Stars are very fascinating and beautiful to study. They are just more than twinkles in the sky the we adore every night.