Big Botany on the Big Screen: Annihilation

After her husband disappears, biologist Lena (Natalie Portman) signs up for a dangerous expedition into “The Shimmer,” an environmental disaster zone full of mutating landscapes and creatures. In this 2018 sci-fi thriller by director Alex Garland (Ex Machina), the laws of nature don’t apply. Running time: 1 hr 55 min. Rated R.