Astronomers have used machine learning to sharpen the 2019 Event Horizon Telescope image of the black hole M87*, the first direct image of a black hole ever taken.
Discover the latest news, features and articles about black holes, regions of space where the gravitational pull is so strong that nothing — not even light — can escape.
Rates of chlamydia, gonorrhea and syphilis rose in the U.S. between 2020 and 2021.
Wild elephants play, help sick members of their species and babysit each other's young, suggesting they domesticated themselves.