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A worn-out space suit on the International Space Station is getting a second life as a satellite. On Friday, astronauts will throw the suit out the orbiter's hatch. Those stuck on Earth will be able to track and listen to the suit as it circles the planet.

The $10 billion telescope is nearly ready to begin capturing images that scientists hope will help uncover the mysteries of the universe — and scope out other possible habitable planets.

With the start of a new football season comes the renewal of the debate over the Redskins' controversial name. Writer Lakshmi Gandhi takes us through the convoluted history of the word "redskin."

For example, June's average was up 1.62 F. A couple of degrees may not sound like much, but it's persistent warming over decades that alters the atmosphere, the oceans, and most everything else.

The first snapshots capture an unprecedented level of detail, including miniature solar flares that scientists are calling "campfires."

In the past 100 years, average temperatures on Earth have changed by 1.3 degrees. Previously, that large of a swing took 5,000 years. That's the word from researchers who pored over temperature data going back to the end of the last ice age.

The most prominent feature on the solar system's largest planet has been shrinking for years, and NASA says it's now smaller than ever.

Exxon Mobil's Rex Tillerson will likely have to divest from his vast holdings in the energy giant to become secretary of state. But even that may not address concerns about conflicts of interest.

If jets of water vapor are indeed erupting from Europa, a spacecraft could potentially fly through them and analyze their chemistry. The moon is believed to have a vast subterranean, saltwater ocean.

A NASA mission to the moon has completed the first high-bandwidth space-to-ground communication using a laser. This is a big upgrade from the radio systems now in use and could potentially revolutionize deep-space communication.