NASA has announced the discovery of an Earth-like planet orbiting a Sun-like star that shares several other similarities with ...

Scientists may need to broaden their horizons in their search for alien life.

Published in the peer-reviewed The Astrophysical Journal, the research focuses on tidally locked planets, worlds that always show the same face to their star.

When it was first discovered in 2007, Gliese 581d was thought to be just outside its star's habitable zone, but later, scientists discovered that Gliese 581d is just close in enough to potentially ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...

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Finding life elsewhere in the cosmos is no easy task. We’ve been searching for decades and, so far, we haven’t heard from anyone and we haven’t found anywhere that looks quite like home. While ...

At the beginning of the exoplanet age, the goals were fairly simple. The first was to find as many of them as possible to flesh out our understanding of the exoplanet population. The second was to ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Morgan Underwood, Rice University (THE CONVERSATION) When astronomers search for ...