Ala Ebtekar’s new cyanotypes for Arion Press were exposed using moon and starlight during a partial lunar eclipse ...

Between Feb. 23 and Feb. 28, 2025, all seven planets will align in the night sky. This alignment will be visible for less than a week before Saturn moves out of view, ending the complete formation.

Between Feb. 23 and Feb. 28, 2025, all seven planets will align in the night sky. This alignment will be visible for less than a week before Saturn moves out of view, ending the complete formation. If ...

What views of the night sky would we have if we had evolved on the Jupiter moon Europa, or one of the TRAPPIST-1 planets? If you have a clear view of the night sky at the end of February ...