The next partial solar eclipse is expected to occur on September 21 and be visible in the Southern Hemisphere. Those viewing ...

Unlike a total solar eclipse, part of the sun is still visible during a partial solar eclipse, so there is no darkening of ...

Auroras are possible over the U.S. tonight (March 25) as a "moderate" geomagnetic storm hits Earth. The Northern Lights could ...

On March 29, the Moon will wedge itself between the Sun and Earth, blocking only a part of the star from our view.

Astronomers track the sun's 11-year cycle by counting sunspots. Also, we're expecting a strong geomagnetic storm and aurora ...

Antarctica is Earth's only uninhabited continent, home to the South Pole, and subject to a delicate balance of cooperation ...

Antarctica is Earth's only uninhabited continent, home to the South Pole, and subject to a delicate balance of cooperation between key players. So what is ...

Up for a challenge? If skies are clear, you may be able to complete a rare feat of visual athletics this coming weekend, and ...

For those of us who approach things by the Goldilocks Principle (not too little, not too much), spring equinox is practically ...

The center of the dial depicts a polar zenithal projection, which is a view of Earth from the North Pole. The huge ...

Chun Wang, 42, often lives in the remote Norwegian Arctic archipelago of Svalbard but flies somewhere nearly every other day on what he says is a personal quest to visit each of Earth's 249 officially ...

The uncrewed aircraft manufacturer says it has completed two test flights of a Gray Eagle 25M controlled remotely via a ...