Watch the moon phases and libration for 2024, as seen from Earth's Southern Hemisphere, in this time-lapsed animation that is ...

What's on and in a star? What happens in an active galactic nucleus? Answering those questions is the goal of a proposed giant interferometer on the moon. It's called the Artemis-enabled Stellar ...

Plus: Observe two stunning spirals, see Venus reappear as a morning star, and enjoy the Last Quarter Moon in the sky this ...

As Venus approaches its inferior conjunction, astrophotographers have snapped some striking shots of the crescent planet ...