A Fresh Perspective on an Extraordinary Cluster of Galaxies

Galaxy clusters are often described by superlatives. After all, they are huge conglomerations of galaxies, hot gas, and dark matter and represent the largest structures in the Universe held together by gravity.

September 30, 2015

Dark, Recurring Streaks on Walls of Garni Crater on Mars

Dark narrow streaks, called “recurring slope lineae,” emanate from the walls of Garni Crater on Mars, in this view constructed from observations by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter.

September 29, 2015

Supermoon Eclipse in Washington

A perigee full moon, or supermoon, is seen behind the Washington Monument during a total lunar eclipse on Sunday, September 27, 2015, in Washington, DC. The combination of a supermoon and total lunar eclipse last occurred in 1982 and will not happen again until 2033.

September 28, 2015

Supermoon Eclipse in New York City

A perigee full moon, or supermoon, is seen next to the Empire State Building at the beginning of a total lunar eclipse, Sunday, Sept. 27, 2015 in New York City. The combination of a supermoon and total lunar eclipse last occurred in 1982 and will not happen again until 2033.

September 28, 2015

Veil Nebula Supernova Remnant

NASA’s Hubble Space Telescope has unveiled in stunning detail a small section of the Veil Nebula – expanding remains of a massive star that exploded about 8,000 years ago.

September 24, 2015

Moons In Hiding

Prometheus and Pandora are almost hidden in Saturn’s rings in this image.

September 22, 2015

Great Exuma Island, Bahamas

An astronaut aboard the International Space Station took this photograph of small island cays in the Bahamas and the prominent tidal channels cutting between them. For astronauts, this is one of the most recognizable points on the planet.

September 21, 2015

Clear Skies Over the United States

On Sept. 17, 2015, NASA astronaut Scott Kelly captured images and video from the International Space Station during an early morning flyover of the United States. Sharing with his social media followers, Kelly wrote, “Clear skies over much of the USA today.

September 18, 2015

Pluto’s Majestic Mountains, Frozen Plains and Foggy Hazes

Just 15 minutes after its closest approach to Pluto on July 14, 2015, NASA’s New Horizons spacecraft looked back toward the sun and captured this near-sunset view of the rugged, icy mountains and flat ice plains extending to Pluto’s horizon.

September 17, 2015

First Weld of Orion Exploration Mission-1 Crew Module
Lockheed Martin engineers at NASA’s Michoud Assembly Facility in New Orleans, Louisiana, perform the first weld on the Orion spacecraft pressure vessel for Exploration Mission-1 on Sept. 5, 2015. This is the third pressure Orion pressure vessel built.

September 16, 2015