In the Moment

New Guidelines Advise Against Daily Low-Dose Aspirin for Most People

Cardiologists delivered some surprising news over the weekend: Contrary to previous recommendations, most healthy people should not be taking low-dose aspirin to prevent heart disease, according a report from the American College of Cardiology and the American Heart Association.

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In the Moment

Indian Scientists Measure 1.3-Billion-Volt Thunderstorm, the Strongest on Record

Scientists in India observed the highest-voltage thunderstorm ever documented with the help of a subatomic particle you might not hear much about: the muon.

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In the Moment

‘Self-Forming’ Waterfalls Could Change Our Understanding of Earth’s History

Scientists observed waterfalls forming simply through the movement of water downhill in a new laboratory study—a result that could complicate our understanding of Earth’s history.

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In the Moment

Opportunity’s Final Panorama Gives Us One Last View From Inside the Endeavour Crater

NASA may have declared its Opportunity rover lost, but we’ll always have its data and bank of raw images. The mission team has now processed an incredible panorama from these files for your viewing pleasure. You can see it below and scroll around a larger version on the NASA press page here.

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In the Moment

The UK Royal Mint Is Putting a Black Hole on a Coin to Honor Stephen Hawking

The United Kingdom’s Royal Mint will honor the work of Stephen Hawking with a commemorative coin featuring the physicist’s name above concentric circles representing a black hole. It looks pretty awesome.

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In the Moment

Check Out This Incredible New Hubble View of Two Galaxies Smashing Together

The Hubble Space Telescope has just released some spectacular new cosmic eye candy. This wild image shows NGC 6052, a pair of colliding galaxies 230 million light-years away.

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In the Moment

The Moon Has ‘Moving Water,’ but Don’t Break Out Your Swimsuit

Tabloids reported over the weekend that a “bombshell” report found moving water on the Moon which could lead to “Moon colonization.” Obviously those headlines are misleading—there are no rivers flowing along the lunar surface. Let’s talk about what really happened.

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