July 20, 1969, has become one of the most significant dates in the history of the United States as well as humanity at large. Powered by incredibly advanced technology for its day, the Apollo 11 ...

In the hours following sunset on Saturday (June 28), the waxing crescent moon will line up with Mars and the bright star Regulus above the western horizon — before swiftly slipping out of view.

Stargazers are in for a treat this weekend, with the moon and a stunningly bright Venus set to appear very close to each other in the heavens. The event—known as a conjunction—will grace skies over ...

On June 14, we will not only be saluting the Army's 250th year with President Donald Trump's military parade in downtown Washington, D.C., we will also be celebrating America's symbol of freedom: the ...

Don't miss the waxing crescent moon shine alongside Spica and the stars of the constellation Virgo in the hours following sunset on July 30. Look 20 degrees above the southwestern horizon in the hour ...

On June 14, 1777, Congress passed the Flag Resolution of 1777. In 1949, President Truman designated June 14 as national Flag Day. President Trump was born on Flag Day in 1946. During the Revolutionary ...