Matthew Dominick continues to wow us with impressive astrophotography from aboard the International Space Station.

On September 22, our satellite passes in front of the famous star cluster M45 in a rare, breathtaking event, producing ...

Opposition is generally the best time to view planets ... the Bull and side by side with the waning gibbous Moon. Zoom in on ...

Astronomers developed a technique that uses a star's spectrum to chart variations in its temperature to the nearest tenth of ...

A planet swings in front of its star, dimming the starlight we see. Events like these, called transits, provide us with ...

Astronomers study stars by looking at the different colors of light they emit—colors they capture and analyze using ...

New Hubble Space Telescope imagery of the Saturn show it's 'ring spokes' in orbit around the gas giant planet. Credit: ...

Using a phenomenon known as gravitational lensing, it might be possible to use the sun as a gigantic telescope to peer deep ...

A recently-discovered powerful cosmic lens, which magnifies profoundly distant objects in space. Credit: William Sheu (UCLA) ...

The Earth has pulled in moons of this type before but none have ever stuck around as long as the moon we know.

Using a high-power telescope ... and planets. The event also utilizes special lasers to help teach guests how to orient ...

Take the chance in September to get outside and gaze at planets. Neptune is in full opposition this month, and while Saturn's ...