NASA's Juno spacecraft made a close flyby of Jupiter moon lo. See an animation of the images the probe captured created by ...

On March 8, 1979, NASA's Voyager 1 spacecraft discovered active volcanoes on Jupiter's moon Io. [‘On This Day in Space’ Video ...

Here in southern New England, the land of four distinct seasons, spring is on our doorstep. This month's vernal equinox, the moment the sun crosses the equator from south to north, comes at 10:46 a.m.

Skywatchers across the U.S. will have a chance to witness the rare planetary conjunction of Venus and Saturn tonight.

An international team of scientists, led by PhD researcher Katie Knowles from Northumbria University, has made groundbreaking ...