Black poop, or melena, can happen when there is bleeding in the upper digestive tract, such as the stomach or esophagus. As the blood moves through the intestines, it turns dark, making stool appear ...

Feb. 19, 2025 — Within the Dark Energy Spectroscopic Instrument's early data, scientists have uncovered the largest samples ever of intermediate-mass black holes and dwarf galaxies hosting an ...

White T-shirts get a lot of attention, but let’s not forget their equally versatile counterpart: the exceedingly wearable, deceptively simple black T-shirt. It’s a staple you can wear to work ...