Optical clocks are highly precise timekeeping devices that measure time by tracking the oscillations of light, as opposed to microwaves, like conventional atomic clocks. The accuracy of these clocks ...

When do the clocks fall back and we gain an extra hour of sleep? Here's when daylight saving time 2025 ends and the time changes.

Three alleged members of the Palestinian group Hamas were arrested Wednesday on suspicion of plotting attacks on Israeli or Jewish institutions in Germany, officials said. The suspects are set to ...

Trump administration sanctions announced Wednesday target dozens of companies and individuals involved in Iran's missile and military aircraft production, a new punishment intended to support recently ...

Aging of the brain is characterized by deleterious processes at various levels including cellular/molecular and structural/functional changes. Many of these processes can be assessed in vivo by means ...