| Title | Date |
| The High Energy Year In Review |  | December 31, 2007 |
| Intergalactic Battle |  | December 24, 2007 |
| See the Whirlpool |  | December 17, 2007 |
| Sunburst |  | December 10, 2007 |
| Equal and Opposite Reaction |  | December 3, 2007 |
| Grand Central Scan |  | November 26, 2007 |
| Cornucopia |  | November 19, 2007 |
| Far and Away |  | November 12, 2007 |
| The Center, Dissected |  | November 5, 2007 |
| The Mystery Machine |  | October 29, 2007 |
| The Heaviest Stellar Hole |  | October 22, 2007 |
| Fireworks on the Fourth of July |  | October 15, 2007 |
| Active Youngsters |  | October 8, 2007 |
| Hidden Dwarfs Exposed |  | October 1, 2007 |
| Rushing Downhill |  | September 24, 2007 |
| The Stripper |  | September 17, 2007 |
| Cataloguing A Piece of the Universe |  | September 10, 2007 |
| Bursting Bubbles |  | September 3, 2007 |
| What the Cap is Made Of |  | August 27, 2007 |
| Light and Dark Matter |  | August 20, 2007 |
| Complement |  | August 13, 2007 |
| A New High? |  | August 6, 2007 |
| Growing Trouble |  | July 30, 2007 |
| Mystery Spot |  | July 23, 2007 |
| Slowly I Turn |  | July 16, 2007 |
| Close Hot Dancing |  | July 9, 2007 |
| Fireworks |  | July 2, 2007 |
| Revolver |  | June 25, 2007 |
| Shocking Pink |  | June 18, 2007 |
| ISGRI Unveiled |  | June 11, 2007 |
| Under Construction |  | June 4, 2007 |
| The Weight |  | May 28, 2007 |
| Die Fast, Die Slow |  | May 21, 2007 |
| Does 2006gy = 2007 Eta Car? |  | May 14, 2007 |
| Hat Tip for the Queen |  | May 7, 2007 |
| Jet Exhaust |  | April 30, 2007 |
| Fast Fuse |  | April 23, 2007 |
| Eclipse of the Dark Heart |  | April 16, 2007 |
| Crown and Tail |  | April 9, 2007 |
| Breaking Down the Pillars |  | April 2, 2007 |
| Exotic, but not too Exotic? |  | March 26, 2007 |
| A Sky Full of Holes |  | March 19, 2007 |
| Big Burst |  | March 12, 2007 |
| Where's the Matter? |  | March 5, 2007 |
| Twenty Years in the Making |  | February 26, 2007 |
| Two Views of a Grand Design |  | February 19, 2007 |
| Jupiter's Crown |  | February 12, 2007 |
| Cataloguing the GR Sky |  | February 5, 2007 |
| Wondering in a Deep Field |  | January 29, 2007 |
| Echoes of a Monster's Roar |  | January 22, 2007 |
| The Sun in STEREO |  | January 15, 2007 |
| The Long and the Short of It |  | January 8, 2007 |
| New |  | January 1, 2007 |
