Stargazers in the U.S. will find the waxing gibbous moon above the southwestern horizon as the sun sets on July 3, with Spica ...

Look for them around 10 p.m. local daylight time, roughly one-quarter up in the western sky. In addition to their closeness ...

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

Stargazers in the U.S. will find the slender form of the crescent moon roughly 20 degrees above the western horizon right at ...

A cataclysmic variable star isn’t technically a single object. Instead, it’s a compact binary system composed of a white ...

A dramatic cosmic event, a rare dwarf nova that suddenly brightened by a factor of 2,500, has been discovered with the help ...

Around midday on June 13 last year, my colleagues and I were scanning the skies when we thought we had discovered a strange ...

A rare nova, V462 Lupi, is making a bright appearance in the night sky in the Lupus constellation. Here's what to know.

Venus continues to be the “Morning Star” in the east before dawn, albeit it has become dimmer — but still bright — as it moves away from Earth.