Fallen Astronauts
The crew of the planned Apollo 1 mission, astronauts Gus Grissom, Ed White, and Roger Chaffee (l-r), stand in front…
Plowing Through the Galaxy
Alpha Camelopardalis, a giant star in the northern constellation Camelopardalis, the giraffe, rams through the galaxy in this false-color image…
Crash Course
A series of images shows the collision and merger of the Milky Way and its nearest large galactic companion, M31,…
Charonian Chapeau
An enhanced-color image of Charon, the largest moon of Pluto, snapped in 2015 by the New Horizons probe, reveals a…
Star Bar
NGC 1300 is one of the most beautiful barred spiral galaxies in the universe. It consists of a long bar…
Slow Eater
An X-ray image shows hot gas spiraling into a black hole in the Milky Way galaxy. The system, known as…
Earliest Sunsets
The Sun sets near the domes of McDonald Observatory, creating a brilliant sundog above the telescopes. Even though the winter…
Cosmic Showers
Showers of subatomic particles caused by cosmic rays rain down on Earth in this artist’s concept. The most energetic cosmic…
Meteor Time
A colorful Leonid meteor streaks across the sky in this 2009 image. The Leonids peak this week, but bright moonlight…
Bright Moon
The full Moon shines brightly behind the Wisconsin state capitol in this September 2015 view. It was a "supermoon," which…