European researchers based in Geneva discovered the planet “E” in the Gliese 581 solar system after four years of observations from the La Silla observatory’s 3.6-meter ESO telescope and the ...

The Gliese 581 star has about 30 percent the mass of our sun, and the outermost planet is closer to its star than the Earth is to the sun. The 4th planet, G, is a planet that could sustain life ...

The middle part of the figure shows the limits of the HZ of Gliese 581 computed with the atmospheric models from Selsis et al. The lower part illustrates the boundaries of the photosynthetic zone ...

Indeed, the most promising planet yet found—the "super Earth" Gliese 581 d, seven times Earth's mass—orbits in the habitable zone of a red dwarf star only a third the mass of the sun.

"Gliese 229B was considered the poster-child brown dwarf, and now we know we were wrong all along about the nature of the object. It's not one but two." A well-studied cosmic object has stunned ...

A long-standing astronomical mystery about the first-ever discovered brown dwarf has finally been solved by scientists. The brown dwarf, named Gliese 229B, was discovered in 1995 but has puzzled ...

An astronomer born 100 years ago is coming into his own. This week, we celebrated the 100th birthday of Wilhelm Gliese — pronounced “Gleesa” — an obscure German astronomer. Over the next ...

So the brown dwarf that three decades ago was named Gliese 229B is now recognized as Gliese 229Ba, with a mass 38 times greater than our solar system’s largest planet Jupiter, and Gliese 229Bb ...

This artwork highlights a pair of recently uncovered brown dwarf twins, named Gliese 229Ba and Gliese 229Bb. Gliese 229B, discovered in 1995, was the first-ever confirmed brown dwarf, but until ...

All the Latest Game Footage and Images from Settle Gliese A collaborative storytelling game set in a massive dangerous world. It’s a mixture of a roguelike and a text-based roleplaying game.

A well-studied cosmic object has stunned astronomers. The "failed star" Gliese 229B has been revealed to be two so-called ...