Proxima Centauri b is the closest known exoplanet to our solar system that is thought to be within the habitable zone of its star.

In October 1604, astronomer and mathematician Johannes Kepler spotted a new star in the sky and began tracking it. Over the course of several weeks, the star remained visible in the daytime and ...

When NASA launched the Kepler Space Telescope in 2009, its mission was clear: to explore the stars and uncover distant ...

Our universe just got a lot weirder. From planets with rings larger than the Sun to alien worlds where it rains molten iron or glows magenta, NASA’s latest exoplanet discoveries are challenging ...

PhoSim simulates the atmosphere, including air turbulence, as well as distortions from the shape of the telescope’s mirrors and the electrical properties of the sensors. The photons are propagated ...

Astronomers have discovered thousands of exoplanets, some in the so-called habitable zone, but does that mean they could host life? The search for alien biology is just beginning.

American space agency NASA announced the discovery of a planetary system that isn't flat, has transit timing variations, and shows orbital planes tilting ...