Starting at 12:30 p.m. ET (1730 GMT) on Saturday (Jan. 25), astrophysicist Gianluca Masi of the Virtual Telescope Project ...

Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...

Uranus may seem like a desolate ice giant, but it’s full of surprises! Learn about its peculiar orbit, captivating appearance ...

Planets continue their nighttime shows, with eight visible at points during February, including Venus on Feb. 14.

While planets circle the sun in what's called and heliocentric orbit, they rarely fall together in what appears to the human ...

While claims of a “rare alignment” are overblown, you can still see up to six planets in the night sky this weekend. Here's ...

The visitors in 1% of simulations dove straight into the solar system, travelling past Uranus' orbit and some even grazed Mercury's path and they ranged from two to 50 times the mass of Jupiter.

The visiting objects that yielded these near-match scenarios ranged from two to 50 times the size of Jupiter and plunged deep into the inner solar system, traveling far beyond Uranus' orbit and ...

On this date, Jan. 13, 1986, astronomer Stephen Synnott using data collected by NASA’s Voyager 2 probe discovered three additional moons in orbit around Uranus. Those moons are Desdemona, Rosalind and ...

Planetary alignments aren't rare, but they can be when they involve six of the eight planets in our solar system.

On Jan. 13, 1986, astronomer Stephen Synnott, using data collected by NASA’s Voyager 2 probe, discovered three additional moons in orbit around Uranus. Those moons are Desdemona, Rosalind and ...

Stargazers, prepare for the parade of planets that will take place over the next few nights in the sky. Here's what you need ...