Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

It's estimated there may be trillions of rogue planets wandering through the Milky Way, unbound to any star. Since detecting ...

Astronomers have identified a wildly distorted world that looks less like a sphere and more like a squeezed citrus fruit, and ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...

Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in ...

The potential for sending payloads and people to Mars is therefore becoming plausible in a way that it never has before. Mars ...

As we step into a whole new year, it’s easy to find your imagination running wild as you consider what your 2026 horoscope ...

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...

It was almost 100 years ago that Clyde W. Tombaugh discovered Pluto. That was the last planet found until 1992, when humans found another one. But this new planet wasn't in our solar system—it was ...

The Maryland Public Service Commission ruled in favor of allowing another solar farm to operate in Carroll County, and may allow the project to preempt several local requirements in order to move ...

LONDON — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper's authors have ...