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

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

The curious minds at What If explore how the discovery of Kepler 22-b in our solar system would alter everything we know about space and life.

The search for life beyond Earth is a holy grail quest for many experts, but finding where to look is a core issue.

Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

A nearby star drifts into the outskirts of our solar system. Its gravity disturbs the Oort Cloud and alters the orbits of far-out objects.

Solar System Planets. Astronomy articles on the eight planets, plus the two dwarf planets, Pluto and Eris. Great pictures of everything in the solar system. Updated daily.

Looking for info on the best solar panels? Discover expert opinions and data-driven insights on solar energy solutions for your home and based on your needs.

By orbiting the Sun outside of the Solar System’s orbital plane, the spacecraft has captured the first clear images of the Sun’s south pole. According to the ESA, these observations (and other ...

Despite common misconceptions, rooftop solar could make your home more valuable -- and quicker to sell.