It's been a long year for Neptune. A full 165 Earth years ago, German astronomer Johann Galle first spied the icy blue giant giving wide berth to the sun some 2.8 billion miles from the solar ...

Discovered using predictions made by Urbain Le Verrier and Johann Galle in September 1846, it was Le Verrier who suggested Neptune should be named after the Roman god of the sea.

German astronomer Johann Galle discovered the planet September 23, 1846. At the time, the discovery doubled the size of the known solar system. The planet is 2.8 billion miles ...

Using Le Verrier’s calculations, German astronomer Johann Galle at the Berlin Observatory located the new planet on Sept. 23, 1846. You may like ...

Today (July 12), Neptune completes its first trip around the sun since being discovered nearly 165 Earth years ago — on Sept. 23, 1846, to be exact, by German astronomer Johann Galle.

Galle received Le Verrier’s letter on September 23, 1846. That same evening, Galle found Neptune. It was a mere 1 degree from Le Verrier’s predicted position, and 12 degrees from Adams ...

As you can read in our current issue, it was discovered 160 years ago this Saturday: "German astronomer Johann Galle first observed the planet Neptune on [September 23].

Back in 1846, astronomer Johann Galle observed Neptune for the first time after its position was predicted by mathematician Urbain Le Verrier.

German astronomer Johann Galle discovered the planet in 1846. So, in honor of Neptune's first anniversary, NASA has released four new images of the planet.

The gas giant planet Neptune takes center stage in a series of sharp new photos snapped by the Hubble Space Telescope in honor of the blue-green world's first Neptunian year around the sun since ...

Tonight the planet Neptune completes its first trip around the sun since humans first discovered the gas giant planet.