The Star
Machine (Discover 18, No. 6, 76-83, 1997): about the GRAPE hardware
Two
Stars Collide; A New Star Is Born (NYT, June 13, 2000): about "Stellar Collisions, Mergers, and Their
Consequences" conference (subscription required)
Star
Formation (special issue of Science magazine, January 4, 2002):
how stars and star clusters are born (subscription required)
When
Stars Collide (feature article in Scientific American, November
2002): about all types of stellar collisions (subscription required)
Black Holes in the Middle: Massive Stars Merge (cover story in Astronomy magazine, March 2004): runaway collisions may be responsible for massive black holes (subscription required)