Deep in space Einstein's theory is proven right again with this image of two galaxies forming an Einstein Ring.

UGC 4879 lies 2.3 million light-years from its closest neighbor, offering a rare opportunity for astronomers to study star formation untouched by interactions with other galaxies.

From the ISS, ESA astronaut Tim Peake photographed the clear skies and building clouds over Europe.

The Condor galaxy is an unusually elongated barred spiral galaxy.

In a composite, false-color image snapped by Cassini in 2007, Saturn glows in unearthly colors.

The magnetic field of the sun reaches for the Earth through this large coronal hole in March of 2016.

Near the base of Mount Sharp on Mars, layer upon layer of sediment formed these rocks over millions of years.

The Eastern Seaboard includes these five major cities and glow beautifully in this image taken from the International Space Station.

Using New Horizons' MVIC Pluto's Sputnik Planum comes to life in vibrant colors.

NGC 4631, known as The Whale Galaxy, has been found to have a few close neighbor galaxies, including NGC 4627.