Ned’s quiet observation isn’t forgiveness — it’s strategy, and Drew has no idea how close he is to losing control.

The hard-edged National Security Strategy wipes the slate clean and provides the opportunity for a radical new strategy to ...

Polar bears, icebergs as large as the Empire State Building or Central Park and a yawning puffin are some of the images.

Tyson’s ultimate goal was to image large swathes of the sky, measuring how galaxies’ shapes distorted as their light ...

Marvel Comics’ multiverse is massive. It’s this infinite web of alternate realities, each spinning off from a "what if" ...

The longest night of the year is nearing as we get closer to the first day of winter. Here's when to expect the season to ...

Ice ages occurred long before this as well, hundreds of millions of years ago, but here the focus is on the past 2.6 million ...

As the winter solstice approaches, North America is closing in on the shortest day of the year -- and in many places, the amount of daylight lost since summer adds up to hours.

A snow covered landscape is pictured near Starnberg, southern Germany, Thursday, Dec. 13, 2012. (AP Photo/Matthias Schrader) ...

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t ...

Katherine’s phone rang, and, because it was Adrian calling, everyone went quiet, trying to hear the famous actor’s voice.

For three decades, a riddle has followed neutrinos, the near-weightless particles that stream through Earth by the trillions each second. They change identities as they fly, shifting among three known ...