The world's largest diamonds aren't just more valuable for jewelers: they also hold surprising clues about the composition of the Earth's mantle, says a new study.
A former police officer has been charged with reckless homicide in the shooting of Sylville Smith. The officer was fired this fall, after separate charges of sexual assault.
Colorado wildlife officials have come under fire for culling predators, a controversial approach to protecting the dwindling mule deer population.
Tom Perez, Minnesota Rep. Keith Ellison, and two others are vying to lead the Democratic Party as it plans a recovery from the 2016 election.
A 'twangy sound' picked up by ocean gliders could be made by minke whales, researchers concluded, one of many recently-recorded noises above the Mariana Trench.
After years of pressure from animal activists, SeaWorld Parks & Entertainment is seeking to rebrand itself as a company geared toward education and ocean conservancy. The company's new park in Abu Dhabi is a step in that direction.
As near-Earth-object detection has gotten more accurate, a new field called Planetary Defense is taking the next step toward defending Earth.
Once placed in Obama’s Presidential Records, a Senate report on CIA interrogations will be exempt from the FOIA requests for 12 years. After that, a review process would determine how much, if any, of the document can be declassified.
Under an executive order, a task force with representatives from the Native Alaskan community would have to sign off of new projects, such as expansion of commercial fishing in the region.
Seeking the names of employees who attended climate change talks 'feels like the first draft of an eventual political enemies list,' said an employee with the Department of Energy.
The actor's meeting comes at a time when President-elect Trump’s actions on climate change issues remain a mystery.
Hemlock woolly adelgids aren't native to North America, but droves of them have settled into American forests where they threaten entire ecosystems.
Union boss Chuck Jones says that Donald Trump deliberately inflated the number of Carrier jobs that he had saved. Now, the president-elect is attacking Jones on Twitter.
Thanks to melting Arctic ice, the worldwide population of polar bears could face a sharp decline over the next 35 years.
As other companies follow Google's lead, the tech industry not only becomes greener, but has more power to set a precedent and influence the energy industry.
A pair of knees discovered in an Egyptian tomb more than a century ago belonged to one of ancient Egypt's most celebrated queens, new research has concluded.
In an open letter, Apple encouraged the government to level the autonomous car playing field between 'new entrants' and 'established manufacturers' – in a way that would allow Apple to continue its own secretive research and development.
While elected officials have chaired the DNC in the past, but many party members, including the Obama Administration, have expressed concerns that leading the party against Donald Trump will be a full-time job.
Trevor Noah sat down with conservative commentator Tomi Lahren to explore Black Lives Matter, the KKK, national anthem protests, Donald Trump’s disparaging comments about women, among other hot-button topics, in a civil discussion.
Keith Coleman, not much of a Twitter user himself, will take on the increasingly difficult task of creating new products and reigniting the platform's user growth.
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