The Sun's expansion into a red giant will engulf the inner planets, drastically increasing temperatures in the outer solar system. The habitable zone will expand to 10-50 AU, potentially making ...

The Sun, our life-giving star, is slowly dying. In about 5 billion years, it will exhaust its fuel and transform into a red giant, altering the solar system forever. But long before that, the Sun’s ...

How did Earth, alone among the Solar System's rocky planets, become the home for life? How, among all this frigid ...

Our Solar System is home to eight extraordinary planets, each with its own unique features, mysteries, and beauty. This cosmic journey takes you from the Sun-scorched surface of Mercury to the icy ...

Proxima Centauri b is the closest known exoplanet that could be in the habitable zone of its star. Therefore, it has garnered ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

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

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

They're oddballs, and determining if they are in habitable zones requires a different approach than with rocky planets. In our solar system, some of the gas giant moons have frozen shells with ...

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