Researchers find that shifts in Earth’s orbit can trigger abrupt climate changes, even in warm periods without ice sheets.

Climate can change fast, even when the planet looks stable. Earth has flipped into new patterns within decades in the past.

Toy gyroscopes can do all kinds of interesting tricks. The most mysterious one, precession, seems to defy gravity. By definition, precession refers to a change in the orientation of the rotational ...

Regular readers of my column certainly know how to use the Big Dipper to find the North Star (aka Polaris). Some folks believe Polaris is important because it’s the brightest star in the heavens, and ...

Zodiac signs link the stars to your life, but not in the way you might think. You wouldn't know it just by reading your horoscope, but the zodiac constellations are impacted by the cosmically slow ...