Blooper

Wedding bands are not magnetic unless they are made of nickel or steel/steel alloy. Most bands are made of either gold or titanium.

At around 24:26 when the plane lands the numbers on the plane end with 770 and the colored lines on the side are blue on top and red underneath but when they exit the plane the numbers and letters are now 91AA and the colored lines are now red on top and tan under that line.

In the opening scene as police form a line to enter a property, the last officer points his weapon at the back of the man in front of him. Anyone with weapons training would not risk pointing their weapon at someone who is not an intended target, so this seems incredibly unrealistic.

When they go to visit the biology teacher, none of them thinks to take a photo of the object even though they all have smartphones.

Actor John H. Greene's name is misspelled in the credits.

At 26:56 equipment shadows cover the head of character Marcus while looking for the crater in the field.