In a solar system far, far away NASA have discovered a planet which they think 'might be remarkably similar to Earth', though ...

Stargazers can see six planets all in one evening during the second month of the year, especially Mercury, which is usually difficult to spot.

The interstellar visitor may still have a few things to tell us before it leaves our solar system.

NASA’s TESS spacecraft tracked interstellar comet 3I/ATLAS in January, capturing data on its motion, brightness, and rotation before it left the solar system ...

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be confused for Mars. The alluvial basin is full of tan and gray regolith, hued ...

New simulations suggest Jupiter holds far more water than once thought, reshaping ideas about how the largest planet formed.

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

When people speak of the northern lights, they are typically referring to Earth’s spectacular display of aurora borealis: ...

Researchers estimate that the planet has about a 50% chance of being in its star's Hoble zone.

Earth and its neighbors orbit the sun on a relatively flat plane. But what's below this plane, and is anythign below the ...