Perched atop the summit of Mauna Kea in Hawaii, the Gemini North Observatory is one of the world's most powerful windows into ...

Look to the east after sunset on a clear winter night and you’ll spot a bright, tightly packed collection of stars. That’s ...

Astrophotographers combat satellite streaks by capturing a multitude of short exposures over the course of a single session.

Increased solar activity causes auroras that dance around Earth’s poles, known as the northern lights, or aurora borealis, ...

The Story Behind Queen Elizabeth and Prince Philip's Reported Argument in Australia Portugal warns Ryanair cannot refuse ...

It wasn’t your imagination! That faint glow in the night sky over parts of the DMV wasn’t the city lights. The northern ...

Following a handful of troubling valve issues that pushed a launch back for a week, an Atlas 5 rocket lifted off from Cape Canaveral Space Force Station in Florida on Thursday night.

The three returned home early Friday morning when the recently-launched Shenzhou-21 module touched down at 3:40 a.m. local at ...

A powerful burst of energy from the sun is streaming past Earth, disturbing energized particles in the highest levels of the ...