View a brilliant morning star, enjoy dark skies during New Moon, and take in plenty of deep-sky targets in the sky this week.

In celebration of the 35th anniversary of the legendary space telescope’s launch, here are 35 of our favorite images it has ...

In its quest to chart the evolution of the universe, ESA’s space telescope has already amassed a massive catalog of galaxies and gravitational lenses.

Asteroid Donaldjohanson was the second destination on the NASA mission’s itinerary — and its size and shape were not what scientists expected.