All foreign nationals, including Canadians, who plan to stay in the U.S. for 30 days or longer must now register online with ...

An uncommon double solar eruption has sent two coronal mass ejections towards Earth, which are expected to arrive Wednesday.

A one-two punch double eruption on the sun is offering a slight chance to view the aurora borealis in the Kansas sky later ...

In magnetic reconnection, adjacent magnetic field lines break and snap together to form new lines. This process converts ...

Double solar eruptions could spark G2 geomagnetic storms and auroras above northern U.S. states on April 16. Keep your eyes ...

Explore the amazing discovery of Jupiter’s swirling dark vortices and their connection to its powerful magnetic field and ...

The photo at left is an enhanced-color image of Neptune from the Hubble Space Telescope. At the right, that image is combined ...

Aurora chasers and night sky enthusiasts get ready – the stars could align for you to have quite the cosmic show this weekend ...

The first four humans to orbit Earth’s poles are sharing their experiences from their historic mission. In a discussion with ...

Earth's auroras look a bit different from above. NASA astronaut Don Pettit captured two amazing videos of our planet's ...

A new way to measure the length of Uranus’s day could also help determine the rotation rates of other celestial ...

NOAA forecasts a slight chance of aurora visibility in 10 northern states—from Alaska to Maine—if skies stay clear.