Auroras

Auroras, often called the northern lights (aurora borealis) or southern lights (aurora australis), are colorful, dynamic, and often visually delicate…

Discover the wonders of the night sky! Learn how Earth's atmosphere transforms after dark, setting the stage for breathtaking phenomena…
UPDATE Feb. 11, 2025: The second rocket of the GIRAFF mission launched on Saturday, Feb. 8, at 11:35 p.m. Alaska…

Peering through the window of the SpaceX Dragon Endeavour spacecraft, NASA astronaut Matthew Dominick captured this image on Oct. 7,…

May 2024 has already proven to be a particularly stormy month for our Sun. During the first full week of…

On April 8, 2024, North America experienced its last total solar eclipse until the 2040s. As the Moon’s shadow fell…

For the first time, a NASA spacecraft is flying through the Sun's atmosphere. Nour Raouafi, project scientist for Parker Solar…

From Earth, the Sun can seem steady and predictable. But when you look at our star close up, there’s a…