It’s a strange tale of two hemispheres.

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

If you're going to Mars you'd best take along a jar of anti-aging cream because while you're there you're going to age faster ...

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

NASA has announced when the longest total solar eclipse of the century will occur—and you won’t have to wait long. Here’s ...

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 -- ...