NICER at Night

Neutron star Interior Composition Explorer (NICER)

Astronomy Picture of the Day: The Lonely Neutron Star in Supernova Remnant E0102-72.3

Why is this neutron star off-center? Recently a lone neutron star has been found within the debris left over from an old supernova explosion. The "lonely neutron star" in question is the blue dot at the center of the red nebula near the bottom left

Astronomy Picture of the Day: Cosmic Collision Forges Galactic Ring

How could a galaxy become shaped like a ring?

Astronomy Picture of the Day: M1: The Crab Nebula from Hubble

This is the mess that is left when a star explodes. The Crab Nebula, the result of a supernova seen in 1054 AD, is filled with mysterious filaments.

Astronomy Picture of the Day: A Plurality of Singularities at the Galactic Center

A recent informal poll found that astronomers don't yet have a good collective noun for a group of black holes, but they need one.

Astronomy Picture of the Day: Sharpless 249 and the Jellyfish Nebula

Normally faint and elusive, the Jellyfish Nebula is caught in this alluring telescopic image

Astronomy Picture of the Day: The Crab from Space

The Crab Nebula is cataloged as M1, the first object on Charles Messier's famous list of things which are not comets. In fact, the Crab is now known to be a supernova remnant, expanding debris from the death explosion of a massive star

Using the D810A DSLR for Deep Space and Nebulae Astrophotography