Jupiter and Mars will appear to make ultraclose approaches to the moon on two nights this week. Here's how to get the best ...

NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in ...

If you saw a long trail of lights in the sky Tuesday night, you were not alone. Starlink satellites were visible in Erie ...

When JUICE reaches its destination in 2031 it will become the first European spacecraft to visit Jupiter. It will then spend three and a half years studying the icy satellites of Ganymede ...

THE addition of a sixth satellite to the system of Jupiter marks another triumph in Prof. Perrine's employment of the modified Crossley reflector. As mentioned in a note published in “Our ...

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

Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision.

Get ready, Jupiter is about to put on an awesome sky show. On Sept. 26, the giant planet will be closer and brighter than it has been for the last 59 years. This fact has not escaped the attention ...