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Strong winds are supersizing the ocean's biggest waves

Amped-up winds and waves could aggravate the effects of climate change, adding destructive strength to storms already fueled by rising seas.

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As synagogue shooting unfolded, extremists congregated on Facebook page connected to gunman

The shooting adds to a growing list of violent acts with ties to fringe parts of the internet that can also be found on mainstream platforms.

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Chase Bank's 'Monday Motivation' tweet backfires

While Chase acted quickly to delete the message, the bank could benefit from some timeless advice: "Never tweet."

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Mystery of moon's formation may have been solved

New look at lunar rocks suggests that the moon formed when a Mars-size rock struck Earth while it was still young and covered in molten rock.

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What if a killer asteroid were headed our way? NASA plans to find out

The space agency and its partners are using a make-believe asteroid to address a real risk.

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How to see the Eta Aquarid meteor shower

The sky show will peak on May 6.

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Fusion power start-ups go small in effort to bring commercial reactors to life

After decades of research and development, fusion may be poised for its "SpaceX moment."

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Militaries go green, rethink operations in face of climate change

"Militaries are great planning organizations, we need to utilize that great planning capability to get further ahead of the climate threat than we have."

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The universe is expanding faster than we thought, and no one knows why

New research indicates that everything is moving about 9 percent too fast.

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Scientists turn brain signals into speech with help from AI

The technology could lead to devices that restore speaking ability to people who have lost it as a result of brain injury or neurological disorders.

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N.Y. to investigate Facebook over harvesting email contacts

Facebook disclosed last week that it may have "unintentionally uploaded" email contacts without users' permission or knowledge beginning in May 2016.

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Facebook faces political blowback for a new reason: Its rising stock price

Analysis: Facebook added about $40 billion in market value despite warning about a sizable fine, fueling critiques that the U.S. is unable to effectively regulate the tech giant.

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Fake news can cause 'irreversible damage' to companies — and sink their stock price

Companies are hiring third-party firms to trawl social media to make sure fake news won't dent their share price.

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5 ways the Trump administration could prepare to thwart 2020 election meddling

NBC News spoke with several former White House and government cybersecurity experts who focused on a handful of areas that need to be addressed to secure the U.S. voting process.

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China reveals plan to build moon base

The research station reportedly will be erected in about 10 years.

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Cut off on social media, Sri Lankans abroad turn to alternate means — and phones cards — to reach home

The government's restrictions, which it says are a temporary way to stop the spread of extremist material, are stoking frustration and worry among Sri Lankans living abroad.

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Chinese scientists insert human brain gene into monkeys, spark ethical debate

Some worry that such research blurs the line between humans and animals.

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Facebook warns investors it anticipates a U.S. penalty of up to $5 billion

The FTC said last year it was investigating reports that the British consulting firm Cambridge Analytica improperly gained access to the data of tens of millions of Facebook users.

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Mark Zuckerberg adds to his job description: Podcaster

The podcast appears to be an audio version of discussions the Facebook founder has been having as part of a 2019 resolution.

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NASA detects seismic activity for first time on Mars

If confirmed, it would be the first time seismic activity ever detected on the Red Planet.