Baltimore's 9/11 Memorial as a sundial
I was a scientific consultant for the 9/11 memorial being constructed in Baltimore's Inner Harbor by a local architectural firm. They...
SWIFT and Hubble Probe Asteroid Collision Debris
See our full press release and enjoy this cool "Star Wars" video! Excerpt from press release: Late last year, astronomers noticed an...
White House Star Party
Obama hosts a night of stargazing CNN White House Producer Erika Dimmler (see online article) WASHINGTON (CNN) - One hundred and forty...
"You Decide" Hubble observation of Arp 274
Teachers, students, and everyday people will have a chance to boldly look where Hubble has never looked before by voting on one of six...
Saturn moon transits
I designed these observations using Hubble's WFPC2 camera. See the full press release.
Naming of asteroid 6815 Mutchler
Citation from Minor Planet Circular 56612
NASA sends spacecraft to Pluto
I was interviewed about the discovery of Nix and Hydra in this NPR story just before the launch of New Horizons. A partial transcript:...
Discovery of Pluto's moons Nix and Hydra
This article describes...