After spending decades searching for alien planets capable of harboring life, astronomers may have found one. So how can they check to see if life actually exists on this alien world? Subscribe to ...

An artist's rendition of Gliese 581g from 2010. Unfortunately the artist put a planet where there isn't one. Lynette Cook / NASA Since the first planet outside of our solar system was discovered in ...

The recent discovery of Gliese 581g, an alien planet in thehabitable zone of another star, has been an exciting development for scientistsprobing the galaxy for signs of extraterrestrial life. At ...

Despite the doubts raised recently over the existence of the potentially habitable alien world Gliese 581g, the planet's co-discoverer is standing behind his find. Subscribe to read this story ad-free ...

The controversial exoplanet Gliese 581g is the best candidate to host life beyond our own solar system, according to a new ranking of potentially habitable alien worlds. Gliese 581g shot to the top of ...

The controversial exoplanet Gliese 581g is the best candidate to host life beyond our own solar system, according to a new ranking of potentially habitable alien worlds. Gliese 581g shot to the top of ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

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 ...

Back in September 2010, astronomers announced the discovery of a remarkable and exciting planet: it was three times our mass (high, but far closer to Earth conditions than the super-Jupiters usually ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the Monitor ...