NASA

How great was the Great American Eclipse? The featured HDR image shows it to be perhaps greater than we knew. On August 21 of last year, the Moon blocked the […]

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 […]