Barnard's Galaxy NGC 6822: One of the Closest Galaxies to the Milky Way
By: 
Kelly Whitt
The CoRoT-7 Planetary System: Star's Exoplanets Are Super-Earths
By: Kelly Whitt
By: Jasper Palfree
The Chandra X-ray Observatory: A Space Telescope Almost 1/3 of the Way to the Moon Boosts Astronomy
By: George Garza
The Astronomy of the Local Group: The Local Space Neighborhood Contains Over 30 Galaxies
By: George Garza
When Planets Collide: What Happens During the Impact of Planetary Worlds
By: Kelly Whitt
NASA Search for ExoPlanets, The Kepler Mission: Looking for Planets in the Habitable Zone
By: George Garza
Most Distant Supernovae Yet: New Farthest Known Stellar Explosions Detected
By: Kelly Whitt
Medium-Sized Black Holes: A New Class of Black Holes Is Discovered
By: Kelly Whitt
How to See a Black Hole: Astronomers Pioneer Telescopic Methods to Study Sagittarius A*
Facts about the Star Betelgeuse: A Red Giant in Orion Is Surprisingly Shrinking
By: Kelly Whitt
The Arches Cluster: A Star Family Near the Galactic Center
By: Kelly Whitt
Mysterious Space Object Found at Cosmic Dawn: One-of-a-Kind Gas Blob Discovered in Early Universe
By: Kelly Whitt
A Binary Black Hole System: Twin Monsters Found at the Center of a Galaxy
By: Kelly Whitt
The Search for Extraterrestrial Intelligence: The Hunt For Alien Life Is A Slow Process
By: Terry Long
Hubble Deep View of a Spiral Galaxy: NGC 4921 in the Coma Cluster Illustrates the Parts of a Galaxy
By: Kelly Whitt
The Truth Behind the Eye of God Nebula: What Is the Image Made by NASA's Hubble Telescope
By: Kelly Whitt
By: Louise Harris
How Brown Dwarfs Form: The Birth of Failed Stars
By: Kelly Whitt
By: Kelly Whitt
The Galaxy M83: The Southern Pinwheel in the Constellation Hydra
By: Kelly Whitt
Lithium's Rarity in the Universe: Element's Properties, Place in Universe and Big Bang
By: Stephanie Cox
Planet Hunting: The Search for Planets around Other Stars
By: Kelly Whitt
Galactic Mergers in the Universe: Milky Way and Andromeda
By: Stephanie Cox
Colliding Galaxies: Great Mergers in the Universe
By: Kelly Whitt
Hole in the Universe: Astronomers Find a Giant Cosmic Void
By: Kelly Whitt
Pulsars and Neutron Stars: Black Holes, Neutrons, and Pulsars
By: Shawn Landis
Event Horizon and Photon Sphere: Static Isolated Black Hole Structure Outside Schwarzschild Radius
By: Paul A. Heckert
Black Hole Singularity: Structure Inside the Event Horizon or Schwarzschild Radius
By: Paul A. Heckert
Origin of the Idea of Black Holes: Corps Obscura to Schwarzschild's Solution to Einstein's Equation
By: Paul A. Heckert
Discovery of Astronomical X-Rays: Cygnus X-1, the First Star Identified as a Likely Black Hole
By: Paul A. Heckert
X-Ray Flickering in Cygnus X-1: Identifying HDE226868, Optical Counterpart to a Likely Black Hole
By: Paul A. Heckert
Black Hole or Neutron Star: How the Mass Tells Us What an Astronomical X-Ray Source Is
By: Paul A. Heckert
Google Sky: From the Earth to the Universe
By: Kelly Whitt
Supernova Destroys Star Rho Cas: A Last Silent yet Bright Explosion Spews Star-Stuff Deep into Space
By: Frank W. Hardy
Black Holes Space/Time Distortion: Where Gravity has Gone Wild - What Falls in Never Comes Out
By: Frank W. Hardy
Is the Universe Expanding: Dark Matter and Dark Energy Quash the Debate
By: Frank W. Hardy
The Circle of Life The End: The Death and Rebirth of Stars
By: Frank W. Hardy
The Circle of Life The Beginning: The Birth and Life of Stars
By: Frank W. Hardy
Feeding Black Holes: Illumination of the Invisible
By: Frank W. Hardy
Stellar Populations in the Galaxy: Walter Baade's Discovery of Population I and II Stars
By: Paul A. Heckert
Hubble's Galaxy Classifications: Irregular, Elliptical, & Normal & Barred Spiral Galaxies
By: Paul A. Heckert
Multiple and Binary Star Systems: Optical Double Stars & Visual, Eclipsing, & Spectroscopic Binaries
By: Paul A. Heckert
Galaxies and Clusters of Galaxies: The Milky Way Galaxy and Large Scale Structure of the Universe
By: Paul A. Heckert
Astronomical Clustering of Stars: Globular and Galactic (Open) Clusters and O and B Associations
By: Paul A. Heckert
Most Distant Galaxies: Seeing Back to the Edge of the Cosmic Dark Ages
By: Kelly Whitt
Neutron Star Has Monster X-Ray Jet: Power Source Rivals Black Holes
By: Kelly Whitt
Double Supernova Seen: One Galaxy Hosts Two Gigantic Explosions
By: Kelly Whitt
Crab Nebula Supernova Observations: Ancient Chinese Records of the July 4, 1054 Supernova
By: Paul A. Heckert
Anasazi Supernova Observations: Chaco Canyon Petroglyph May Record 1054 Birth of the Crab Nebula
By: Paul A. Heckert
The Crab Nebula Supernova 1054 AD: The Biggest July 4 Fireworks Explosion in History Formed M1
By: Paul A. Heckert
Imaginary Time—Not What You Think: In Mathematics and Physics Imaginary Time Really Does Exist
By: Charles Anderson
Gravitational Lens and Dark Matter: Massive Galaxies Bend Light from Distant Quasars
By: Paul A. Heckert
Evidence for Dark Matter Found: A Ring of Dark Matter Has Been Discovered in a Galaxy Cluster
By: Kelly Whitt
Biggest Supernova Discovered: Gigantic Stellar Explosion Reveals New Type of Supernova
By: Kelly Whitt
Gliese 581c: Telescope at European Southern Observatory Detects New Planet
By: Scott Hayden
New Planet May Harbor Life: The First Earth-Like Habitable Exoplanet Has Been Discovered
By: Kelly Whitt
Black Holes, What are They? Why Nothing Can Escape From a Black Hole
By: Paul A. Heckert
Variable Star Classifications: Types of Stars that Change in Brightness
By: Paul A. Heckert
Falling into Black Holes: Earth's Orbit if the Sun Collapsed to a Black Hole
By: Paul A. Heckert
Exploring Supernovae: Looking at the Different Kinds and Notable Historic Explosions
By: Kelly Whitt
