[Saturday, June 2, 2007] Like countless others before it, the data packet rode a radio signal more than 500 million miles from the New Horizons spacecraft to Earth, filtering through NASA's largest antennas late last week to mission and science operations center computers.

[Friday, June 15, 2007] Hubble and the W.M. Keck Observatory have precisely measured the mass of Eris, the largest member of a new class of dwarf planets in our solar system. Eris is 1.27 times the mass of Pluto.

[Friday, June 22, 2007] "Since I last wrote in mid-May, New Horizons has continued its traverse down the magnetotail of Jupiter. That final phase of our Jupiter flyby science will conclude tomorrow, on June 21."

[Friday, June 22, 2007] These Hubble Space Telescope images of Vesta and Ceres show two of the most massive asteroids in the asteroid belt, a region between Mars and Jupiter. The images are helping astronomers plan for the Dawn spacecraft's tour of these hefty asteroids.