In April, a European team of astronomers announced in Astronomy & Astrophysics the discovery of two possibly habitable Earth-like planets. A&A is now publishing two independent, detailed studies of ...

More than 10 years after the discovery of the first extrasolar planet, astronomers have now discovered more than 250 of these planets. Until a few years ago, most of the newly discovered exoplanets ...

A team of astronomers that includes the University of Hawaii’ at Manoa’s Nader Haghighipour has announced the discovery of a planet that could have liquid water on its surface. The planet, which is ...

The planetary system around the red dwarf Gliese 581, one of the closest stars to the Sun in the galaxy, has been the subject of several studies aiming to detect the first potentially habitable ...

After Steven Vogt and his team announced the discovery of a planet in the habitable zone of Gliese 581 in late September 2010, other astronomers failed to confirm the discovery. Yet, as Dr. Vogt told ...

Remember Gliese 581g? The potentially habitable “second Earth” 20 light years away, also known as Zarmina? It’s been looking dicey for a while, as many ...

Image: Artist’s impression of the system of three planets surrounding the red dwarf Gliese 581. One of them is the first rocky planet lying in the habitable zone to have been… Click here for more ...

The orbits of planets in the Gliese 581 system are compared to those of our own solar system. The Gliese 581 star has about 30 percent the mass of our sun, and the outermost planet is closer to its ...

Artist’s impression of the planetary system around Gliese 581. Courtesy ESO. The European Southern Observatory is reporting that they have found the most Earthlike planet yet orbiting another star. It ...

A team of Swiss, French and Portuguese astronomers announced on April 24 the discovery of an “exoplanet” known as Gliese 581 c. Planets that orbit around a star other than the Sun are known as ...