Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

Nova explosions occur in binary star systems in which a white dwarf — the dense remnant ... infrared, and radio). When Gemini observed the line several days later the signal had faded, but the silicon ...

The recent findings up the number of exoplanets orbiting Barnard’s Star from one to at least three, possibly four, as ...

Simulations indicate that the low-mass star in the J0453+1559 binary system could be a neutron star rather than a white dwarf. The star's mass, 1.174 M ⊙ , is unusually low for a neutron star.