A 9th planet in our solar system might be found — and no, it’s not Pluto - Is there another planet out there? Researchers say ...

Astronomers have detected a promising sign of a ninth planet lurking at the the farthest reaches of the Solar System.

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in our solar system. However, as with all ninth planet research, the new ...

NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars ... and scientists say more research is needed to be sure it's out there and figure out its mass and ...

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is hidden in our solar system.

NASA’s Lucy spacecraft captures asteroid Donaldjohanson, marking a new step in its mission to explore the solar system’s ...

An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the ...

In late 2017, a mysterious object tore through our Solar System at breakneck speed. Astronomers scrambled to observe the fast ...

(It phases out by 2035.) This federal residential clean energy credit covers 30% of the total installed cost of a solar panel system. Net metering and a faster payback period Another alluring ...