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

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

NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...

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 ...

Protoplanetary disks are the birthplaces of planets, but few discoveries have stretched scientific expectations like IRAS ...

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

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 ...

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 ...

We have all been taught in school that planets revolve in the same direction as the Earth, i.e., in the counterclockwise ...

Jupiter harbors more oxygen than the sun, a new study finds, giving astronomers a crucial clue about how our solar system's ...

A rare triple conjunction of Venus, Mars and Mercury is happening on the opposite side of the solar system to where Earth is, ...