The new technology will enhance communication between pilots and control towers and airline operations centers, thereby ...

Even worse, the orbit of Mars is elliptical (think of a slight oval rather than a perfect circle), which means that sometimes ...

Astronomical winter begins Sunday, Dec. 21 in the Northern Hemisphere. Here's how the solstice works.

Clocks tick faster on Mars than they do on Earth, in part because Mars experiences less gravitational pull from the Sun. Now scientists have calculated just how much faster -- 477 microseconds, on ...

Voyager 1, NASA’s deep-space probe, could soon become the first spacecraft to reach a historic milestone. In November 2026, the probe will be one light-day from Earth.

Imaginary lines -- Sea before time -- Adrift in a clockwork universe -- Time in a bottle -- Powder of sympathy -- Prize -- Cogmaker's journal -- Grasshopper goes to sea -- Hands on Heaven's clock -- ...