From planets and constellations, to eclipses and the Aurora Borealis, here's what to look for in the sky this spring ...

NASA's Hubble Space Telescope spotted a cosmic Bullseye galaxy, revealing evidence of a rare kind of galactic collision.

Discover 7 spectacular space photographs acquired by NASA, including faraway galaxies, gorgeous nebulae, and cosmic wonders. Explore the wonder of the universe with these stunning space images!

The Godzilla Nebula is a cloud of gas and dust in the constellation Sagittarius that was imaged by NASA's Spitzer Space Telescope. The star cluster Pismis 24 lies within the much larger emission ...