July's a busy month for skywatching. Not only are five bright planets in view, but three comets and a newly-discovered nova are also observable. And it all starts with a bang on Independence Day.
Over the next two weeks, for the first time in more than a decade, you can see all of the naked-eye planets — from Mercury to Saturn — together in the predawn sky.
There are eight planets in the solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
A Hubble legacy program has returned high-res pictures of Jupiter, revealing changes to the Great Red Spot and mysterious new wisps in the North Equatorial Band.
Spot Uranus and Neptune, and relive the original discoveries.
The King of Planets reached opposition in the first half of January but it's still big and bright, a captivating sight no matter how you look at it.
Neptune reaches opposition next week, giving amateurs the chance to track its unique, backwards-orbiting moon Triton.
An early peak at a forming star system reveals tantalizing clues about its origin.
Four planets are great, but how about eight? You can see them all in a single night in the next couple weeks — if you play your cards right.
As the bright planets march westward, Uranus and Neptune become the fresh new faces of fall. And if you've never seen an ultra-thin lunar crescent, here's your chance.
When it comes to both mass and volume, Jupiter is the largest planet in the solar system, while Mercury is the smallest.