Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

What can star variability—changes in a star's brightness over time—teach astronomers about exoplanet habitability? This is what a recent study accepted for publication in The Astronomical Journal ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known ...

Astronomers have confirmed more than five thousand planets orbiting stars beyond our solar system, yet the question that captures public imagination remains simple: how close is the nearest world that ...