The core of a lower-mass star like the Sun is less hot and burns its fuel much more slowly so the star lasts billions, rather than millions, of years. The lowest mass "dwarf" stars burn so slowly ...

In 1995, it became the first-known brown dwarf, introducing astronomers to failed stars. Now, fittingly, it introduces the new concept of incredibly close brown dwarf binaries. You can forgive ...

The brightest star in the nighttime sky, Sirius, or the Dog Star, greatly outshines its white dwarf companion, Sirius B. At 8.6 light-years away, Sirius B is the nearest known white dwarf star to ...

An odd star that has confused researchers for decades now makes sense – it turns out not to be a single star but two companions. “It used to be that this brown dwarf didn’t make any sense.

Gliese 229B orbits around a red dwarf star, Gliese 229, both of which are situated about 18 light-years from Earth. "Seeing the first object smaller than a star orbiting another sun was ...

The "grave" of an undead white dwarf star is marked by a cosmic funeral wreath. Astronomers have intensely studied a zombie star lurking in the heart of supernova wreckage. Such a cosmic explosion ...

Opinions expressed by Forbes Contributors are their own. Jamie Carter is an award-winning reporter who covers the night sky. A star has been discovered moving at a speed of about 1.3 million miles ...

The star type was uncertain. The team has determined that the star is a white dwarf, a system ... ESO Telescope Captures the Most Detailed Infrared Map Ever of Our Milky Way Sep. 26, 2024 ...

Together, the pair orbit an M-dwarf star (a smaller, redder star than our sun) every 250 years. "These two worlds whipping around each other are actually smaller in radius than Jupiter.

A pair of recently uncovered brown dwarf twins ... by the orange and blue orbital lines), with a separation only 16 times larger than the distance between earth and the moon. The brown dwarf pair ...

Astronomers announced Wednesday that a decades-long mystery surrounding the first known brown dwarf — a “failed star” called Gliese 229B — has finally been solved. Gliese 229B confused ...

Simulations of the evolution and distribution of elements inside galaxies suggest that the most likely birthplace of these stars would have been a small dwarf galaxy, weighing no more than roughly ...