Dec. 20, 2024 — One of the biggest mysteries in science -- dark energy -- doesn't actually exist, according to researchers looking to solve the riddle of how the Universe is expanding.

Dark neck is a common condition in which the skin on the neck (often the back of it) is darker than the rest of the body, perhaps with a band or line of dark color. In people with darker skin tones, ...

The West Coast’s first launch of 2025 on Thursday also marked the seventh for the growing constellation of spacecraft to serve the nation’s spy satellite agency. The Falcon 9 rocket, […] ...