The highlight of this cosmic event is Venus, which will shine at its brightest on Sunday, February 16, making it the most ...

According to Robin Scagell, vice-president of the Society for Popular Astronomy, this planetary gathering is among the best ...

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

Step outside and let the velvety night sky embrace you and your loved ones. Bask in the soft glow of Venus, the planet of ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

From supermoons to an eclipse and star parties at national parks, these captivating celestial phenomena will get Americans ...

Astronomers trace the striking pattern to an encounter between a big galaxy and a much smaller one some 50 million years ago.

Einstein predicted the existence of gravitationally-warped rings of light in 1915. Now, a new one has been discovered just a ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in February.

Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may not be the full picture.

In just a few weeks, people in Arkansas will have the opportunity to explore some out-of-this-world sights at Hobbs State ...