Yeah, I heard that too and valve they showed some hints of portal and half life 2 in both games with the Borealis Aperture Science ship and I heard that there would be Borealis appearing in hl3
In Half Life 3, Aperture robots will take over part of Earth and everyone starts fighting again and the Combines are like "LOLNOPEWEGONE" and so we're screwed.
"In a March interview, Newell hints that Valve intend to return the Half-Life franchise to its psychological horror roots by exploiting the fans' deepest fears, which he summed up as "the death of their children" and "the fading of their own abilities"
Also Amnesia Life. Damnit Gaben.