An unusual planetary system with three known ultra-low density 'super-puff' planets has at least one more planet, according to new observations.

Jupiter reaches opposition; meanwhile, the star Canopus shines bright and the constellation Pictor offers many gems to view.

Advising readers to scan the night sky this time of year always feels a little awkward, because the Pacific Northwest’s ...

Each Monday, I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere ...

December's night sky offers Venus and a crescent moon shining together as the planet emerge after sunset and a “Cold Beaver ...

Jupiter reaches a stunning opposition, Mars is brilliant, Saturn and Venus light the evening sky, and Mercury rises before ...

A photo shared on social media authentically showed the Helix Nebula captured by NASA's Hubble Space Telescope. A photo ...

This December Jupiter will reach its best apparition in a decade for sky-watchers, offering loads of details for sky-watchers ...

You may need binoculars or a telescope for this one. It includes the three furthest planets in our solar system. There will be six planets visible this time around, including Venus, Mars ...