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A distant exoplanet discovered, named Enaiposha, is unlike anything found in our own solar system, similar to a "super-Venus" ...

In the frigid realm beyond Neptune, the material available ... much closer together than the planets in our solar system. Some are Jupiter- or Neptune-size worlds that race on insanely hot orbits ...

"We have been waiting for 10 years to confirm that our finely tuned operations of the telescope would also allow us to access ...

The discovery is keeping astronomers on their toes about how planets are formed.

The exact shape of the Oort cloud and how it is affected by forces beyond our solar system have, so far, remained mysterious. Now, researchers have developed a new model that suggests the inner ...

Staring at the sun—a close (but safe) look at our home star Staring at the sun ... Free learning activities and videos about the solar system Free learning activities and videos about the ...

Discover how a giant interstellar cloud known as the solar nebula gave birth to our solar system and everything in it. The solar system as we know it began life as a vast, swirling cloud of gas and ...