A rare 'smiley face' triple conjunction is coming to Earth's morning skies on April 25, when Venus, Saturn and the crescent moon form a celestial smirk near the horizon.

Scientists have hypothesized since the 1960s that the sun is a source of ingredients that form water on the moon. When a ...

Skywatchers worldwide are in for a charming cosmic display before the sun rises next week as three celestial bodies will ...

A partial solar eclipse will occur on September 21 as the moon moves between the sun and Earth but the celestial bodies aren’t perfectly aligned, according to NASA. In this type of event ...

For decades, scientists have wondered how the moon can have water. It’s dry, airless, and lacks an atmosphere, so the ...

In a breakthrough that could reshape future lunar exploration, NASA researchers have confirmed that the solar wind—a stream ...

NASA's Lucy spacecraft will swoop past a small asteroid this weekend as it makes its way to an even bigger prize: the ...

Photographer extraordinaire Don Pettit is about to return to Earth following a seven-month stay aboard the space station. Take a moment to enjoy his best work.

You don't need fancy equipment or to travel far to find a place to stargaze. Here are some fun spots in Delaware to watch the sky do its thing at ...

Here are places around Delaware we think would be perfect for observing solar system spectacles ... to use a telescope to view the moon, planets, and other objects. The Lyrids meteor shower ...