Astronomers have discovered an Earth-size planet orbiting an ultracool red dwarf star similar in size to Jupiter. The red dwarf, located some 55 light-years away, is 100 times less bright than the sun ...

‘This sort of radio signal would never be present unless material had left the region of strong magnetic fields surrounding ...

This artist’s impression shows a sunset seen from the super-Earth Gliese 667 Cc. Astronomers have estimated that there are tens of billions of such rocky worlds orbiting faint red dwarf stars in the ...

Add Yahoo as a preferred source to see more of our stories on Google. Red dwarfs dominate the neighborhood and often host rocky worlds in temperate orbits. Yet their environments may hinder complex ...

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 ...

A first ever detection of a coronal mass ejection from a small red dwarf could have big consequences for life on any nearby planets. Subscribe to our newsletter for the latest sci-tech news updates.

Observations of nearby red dwarf stars reveal rare carbon and oxygen isotopes, offering direct evidence of stellar nucleosynthesis and the chemical evolution of the Milky Way.

Red dwarfs are very-low-mass stars. Image by NASA's Goddard Space Flight Center. Chris Smith (USRA): Lead Producer - Public Domain Red dwarfs are very-low-mass stars. Image by NASA's Goddard Space ...