Last year, astronomers discovered an unusual Earth-size exoplanet they believe has a hemisphere of molten lava, with its ...

Atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change ...

Tired of driving home from a hard day's work in darkness? You're in luck because daylight saving time is slated to start next month.

Astronomically speaking, the first day of spring is marked by the spring equinox, which always happens on March 19, 20 or 21.

After subzero temperatures and copious amounts of snow this winter, it's safe to say Cincinnati is ready for warmer weather.

Many Americans have long grown frustrated with the constant time shifts. Here's what to know about the state of daylight ...

When Philip Sontag first visited Antarctica as a Ph.D. student, he brought back an unusual souvenir: a huge bag of penguin ...

"Talking directly to our adversaries from a position of strength" is a way Trump can ensure peace, according to a former official.