Explore the possibility of a second Earth-like planet within our own solar system. Reservoir levels falling as drought warnings issued Trump executive order to turn LA into housing center for up ...

There may be another world lurking between the orbital lines of our solar system. Astronomers in Japan have published their theory of an “Earth-like planet,” dubbed Planet Nine, that’s ...

The quest to find hidden worlds. Searching for planets lurking in the frigid edges of our solar system is not a new concept. The so-called Planet Nine, a world 10 times more massive than Earth, is ...

Our solar system was long considered a template for all planetary systems. In the last 25 years, however, it has quickly and firmly become an outlier for lacking its own super-Earth. NASA's ...

A recent X-class flare, which was split into two simultaneous explosions, launched a coronal mass ejection that smashed into Earth, triggering the most powerful disruption to our planet's magnetic ...

In fact, our planet is something of a geological oddball given what we know about our solar system neighbors. Granite isn’t the only rock that’s ordinary on Earth but rare on other worlds.

Astronomers posed over the past decade that dark comets, or objects that resemble asteroids but move like comets, may exist. Now, scientists have found a total of 14 of them.