Flanked by satellite galaxies of the Milky Way a volcanic peak rises from this rugged horizon. The southern night skyscape looks toward the south over Laguna Lejia and the altiplano […]

This grand allsky view of our Milky Way and nearby galaxies is not a photograph. It’s a map based on individual measurements for nearly 1.7 billion stars. The astronomically rich […]

You couldn’t really be caught in this blizzard while standing by a cliff on Churyumov-Gerasimenko, also known as comet 67P. Orbiting the comet in June of 2016 the Rosetta spacecraft’s […]

The Blue Horsehead Nebula looks quite different in infrared light. In visible light, the reflecting dust of the nebula appears blue and shaped like a horse’s head. In infrared light, […]

Did you see it? One of the more common questions during a meteor shower occurs because the time it takes for a meteor to flash is typically less than the […]

NASA’s Transiting Exoplanet Survey Satellite (TESS) began its search for planets orbiting other stars by leaving planet Earth on April 18. The exoplanet hunter rode to orbit on top of […]

Have you seen the Moon lately? On April 18, its waxing sunlit crescent moved through planet Earth’s night across a background of stars in the Hyades. Anchored by bright star […]

Blown by the wind from a massive star, this interstellar apparition has a surprisingly familiar shape. Cataloged as NGC 7635, it is also known simply as The Bubble Nebula. Although […]

What planet is this? It is the only planet currently known to have trees. The trees in Deadvlei, though, have been dead for over 500 years. Located in Namib-Naukluft Park […]

Except for the rings of Saturn, the Ring Nebula (M57) is probably the most famous celestial band. Its classic appearance is understood to be due to our own perspective, though. […]