For decades, astronomers have classified exoplanets into neat categories: rocky Earth-like planets, gas giants like Jupiter, ...

Astronomers have discovered that sulfur may be a key to helping us narrow down our search for life on other planets. It's not that sulfur is a great indication that a planet is inhabited. Instead, ...

The findings could assist astronomers in selecting extrasolar planets or "exoplanets" most likely to be habitable. "Even though it’s the closest planet to us, Venus is important for exoplanet ...

Artist's concept of a potentially habitable super-Earth orbiting a star called HD 20794. Illustration credit: Gabriel Pérez ...

"Having a planet in the habitable zone is not sufficient at all to have life on it," Cretignier told the Daily Mail. "Both Mars and Venus are inside the habitable zone of the sun, but I highly don ...

In our solar system, Venus lies near the inner edge of the habitable zone with surface temperatures exceeding 800 degrees Fahrenheit beneath a dense atmosphere, while Mars resides primarily ...