Sleep experts and a new survey show most Americans support ending seasonal clock changes.  The call is for permanent standard ...

The clock is a symbolic way to show the public how close scientists believe the world is to a human-made apocalypse.

Super Bowl LX is building anticipation not just for the clash on the field, but for the halftime spectacle. Bad Bunny’s stage ...

Can Mars let humans age faster? It sounds more poetic than reality, but it may be true technically. Two identical clocks: One on Earth other on Mars, .

We show how this "cosmic clock" uncovers the evolution of rivers, coasts and habitats.

Watch now: Trump attacks Bad Bunny's halftime show as a "slap in the face." Plus, the second ransom deadline for Nancy Guthrie nears.

The Bulletin of the Atomic Scientists has advanced the Doomsday Clock to 85 seconds to midnight. The move underscores growing ...

Physicists have found a way to measure how long ultra-fast quantum events actually take—without using a clock at all.

Jet lag has long been treated as an unavoidable tax on global travel, a foggy penalty paid in lost sleep, dulled concentration, and sluggish days after a long-haul flight. Now researchers say a new ...

Prepare to spring forward soon! Here's when Americans should adjust their clocks to usher in daylight saving time and those ...

The most precise clocks ever built are now testing Einstein, hunting dark matter, and reshaping how we define time itself. In A Nutshell The world’s most precise clocks are changing how we understand ...

The clock is officially running out for the family of Savannah Guthrie. With a 5 p.m. local deadline looming in Arizona, the ...