NASA's SPHEREx observatory is now in space for a two year year mission to create a 3D map of the entire celestial sky. The telescope left the ground on top of a Falcon 9 rocket from a launch pad in ...

NASA’s SPHEREx and PUNCH missions launched aboard a SpaceX Falcon 9 rocket, aiming to explore the universe and solar activity.

NASA’s newest space telescope rocketed toward orbit Tuesday to map the entire sky like never before — a sweeping look at ...

This Friday, all seven planets will be in the night sky for a brief period. Join the cosmic spectacle and learn where to look ...

Whenever planets are visible in the night sky, they always appear roughly along the same line. This path, known as the ...

Though sun halos can happen year-round, they are especially noticeable in the winter when ice-filled cirrus clouds are more ...

It rapidly zooms into the morning sky, reaching an angular distance of 15 degrees from the sun by month's end. Meanwhile, glowing brilliantly, well up in the southern and western sky is Jupiter.

Interestingly, they'll always appear along the same arc in the night sky. That path is called the ecliptic, and it exists because all planets in our solar system orbit around the sun on roughly ...