[2] Schild's research in the 1980's and 90's was focused on using gravitational lensing to determine the age of the universe and the Hubble constant.
[3][4] The investigation into quasar images also, in 1994, suggested the existence of a binary pair of stars within a few light years of Earth.
[5] He also published in 1996 his findings on rogue planets identified through analysis of Hubble Space Telescope images.
[8] Schild is a member of a group of researchers who have published frequently on the claim that photos on Mars from various NASA rover missions have shown evidence of fossilized life.
[2] Schild is married to mezzo-soprano Jane Struss, who teaches voice at Longy School of Music.