For a good night of sleep, consider getting your circadian rhythm back in sync with the sun. Here’s how to do it.

Original story: Seconds after midnight, SpaceX is scheduled to launch ... right below our countdown clock. Liftoff is scheduled in four minutes from Cape Canaveral Space Force Station.

There is no end of things to see in Madrid, and we’re here to help with an itinerary that introduces the city’s most iconic ...

Seconds after the stroke of midnight, a SpaceX Falcon 9 lifted off ... exploration missions to the Moon and Mars, and two atomic clocks to examine fundamental physics concepts, such as ...

Newsweek has advice on what time you must file by, how to request an extension, and what to do if you can't pay your taxes on time.

Rather than firing key nuclear security staff, the United States could save tens to hundreds of billions of dollars by cutting through unnecessary nuclear modernization plans.

U.S. lawmakers held their first hearing Thursday in more than three years on a long-running debate to end the practice of ...

A biotechnology company called Colossal Biosciences claims to have resurrected the dire wolf, a species that went extinct ...

Psychological time is not clock time. How people in different parts of the world divide up the minutes in an hour may explain ...