The order of the planets in the solar system, starting nearest the sun and working outward is the following: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and then the possible ...

Because they're surrounded by foul-smelling gases that are incompatible with the human sense of smell, living on the surface ...

For years, astronomers have been hunting for Planet Nine, a hypothetical giant planet believed to be lurking at the far ...

Now, however, Pluto and that part of the solar system has moved away from the backdrop of the Milky Way into a sparser region of the night sky. With its Hyper Suprime-Cam (HSC), Subaru has discovered ...

Only NASA's New Horizons spacecraft—one of five spacecraft that have reached the outer solar system—has managed to fly ...

Archive/Universal Images Group via Getty Images) Rarely even acknowledged as the first planets discovered beyond our solar system ... are neutron stars of only 10 to 30 km in diameter that ...

About 4.6 billion years ago, this gigantic cloud was transformed into our Sun. The processes that followed gave rise to the solar system, complete with eight planets, 181 moons, and countless ...

Computer simulations suggest that there is an undiscovered Earth-like planet lurking in ... new TNOs could revolutionize our theories about how the solar system formed,” said Lykawka.

Astronomers have observed three types of black holes in the universe. Stellar-mass black holes formed from the collapse of a ...

Watch this video to find out more about the Earth, planets in our Solar System and other planets far off in outer space. From up here on the International Space Station I get a great view of Earth.