Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...

James Webb Space Telescope captures HH 30’s disc, revealing dust movement, jets, and planetary formation processes.

Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye ...

HH 30, a fascinating Herbig-Haro object, serves as a cosmic laboratory for studying star formation and planetary evolution.

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...