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NASA graduates new class of astronauts for missions to the moon, Mars

The newly minted astronauts are the first to receive their pins under the space agency's Artemis program.

USA

Game on: Dems prepare to counter Trump on Facebook

While many Democratic politicians and academics are hammering Facebook for its ad policies, smaller liberal groups are breathing a sigh of relief.

USA

Voting machine makers face questions from House lawmakers — but more remain

The CEOs of the three companies that make more than 80 percent of the country's voting machines testified before Congress Thursday for the first time.

USA

800,000 years ago, a meteor slammed into Earth. Scientists just found the crater.

Scientists knew the impact happened; they just didn't know where.

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USA

Microsoft launches tool to identify child sexual predators in online chat rooms

The tool, codenamed Project Artemis, is designed to look for patterns of communication used by predators to target children

USA

Australia's wildfire crisis faces a new foe: Misinformation

Wildfire researchers say it's unreasonable to think the actions of two dozen possible offenders could have caused the widespread fires.

USA

Facebook's final word on political ads: No changes to microtargeting but more control for users

Facebook will expand transparency around political ads and give its users more control over the ads they see.

USA

Uber passengers can now choose 'favorite drivers' in California

The company introduced a series of changes designed to put the ride-hailing company in line with a new state law about gig work.

USA

TikTok fixes security flaws, announces new content rules

The research was made public in the wake of increased scrutiny on the short-form video app TikTok's cybersecurity.

USA

More than 1 billion animals killed by Australian wildfires

The new estimate is more than double what one prominent ecologist predicted mere weeks ago.

Green News

8 home tech gadgets that will make your pad more eco-friendly

There's something for all budgets on this list of green household technology.

USA

Fire clouds and ember attacks: How Australia's fires are creating rare weather phenomena

"Intense and voracious" fires are interacting with the atmosphere and creating their own weather, including lightning, which can cause new wildfires.

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This e-Bike can ride on water

A New Zealand company has developed a new way to get moving on water, with the help of pedal power and an electric engine. On display at the CES tech show in Vegas, the Manta5 Hydrofoiler can reach speeds of 12 mph (20 kph).

USA

Iran strike puts U.S. cybersecurity experts on alert

Iran is considered one of Washington's primary adversaries in cyberspace, and has shown a willingness to go after government and civilian targets.

USA

Australia's fires could change the country forever

Wildfires are a part of the natural rhythms of Australia's environment. But scientists haven't seen anything like this before.

USA

Human rights expert says Google pushed him out after China criticism

Google said in a statement that the company has an "unwavering commitment" to human rights organizations and efforts.

USA

TikTok releases 'transparency report' amid scrutiny over Chinese ownership

The report was released this week amid calls for concern by some U.S. lawmakers about potential security risks from the Chinese-owned company.

USA

New social media apps guarantee your data will remain secure — for a price

As users grow wary of Facebook and other social media giants, these startups offer the promise of privacy.

USA

The Catholic rosary got a digital upgrade — but it's a mixed blessing

Members of the Catholic Church who spoke to NBC News acknowledged that while not the most traditional offering, it did provide a new way for people to connect with God.

USA

U.S. Army bans TikTok following guidance from the Pentagon

Lt. Col. Robin Ochoa, an Army spokeswoman, told Military.com that the app is considered a cyber-security threat.