US and World News

How hermit crabs shake off competitors for shells - The Guardian
House hunters are deterred from evicting incumbents by strong vibrations from inside

Shark cameras reveal secret lives of South Africa’s great white sharks - PerthNow
Sharks are more agile than scientists thought, groundbreaking footage from great white’s fins has revealed.

NASA astronauts scheduled for all-female spacewalk respond to outrage over spacesuit availability - Fox News
The two astronauts who were supposed to perform the first all-female spacewalk have spoken out about the altered plans, saying it was just a matter of efficiency.

'Something no human has seen before': The first-ever photograph of a black hole will likely be unveiled next week - USA TODAY
They've captivated us for decades, but we've never actually photographed a black hole before – until now.

How to interpret the new dinosaur fossil graveyard study - Quartz
Inevitably, a study of this magnitude will lead to both puffery and jealousy; scientists are only human, after all.

Mars Has Methane--But Does It Have Life? - Scientific American
Multiple lines of evidence suggest the gas occasionally surges into the Red Planet’s atmosphere. Could it be a sign of a subsurface biosphere?

VLA makes first direct image of key feature of powerful radio galaxies -
Astronomers used the National Science Foundation's Karl G. Jansky Very Large Array (VLA) to make the first direct image of a dusty, doughnut-shaped feature surrounding the supermassive black hole at the core of one of the most powerful radio galaxies in the U…

Climate Change Drove Some Neanderthals to Cannibalism - Live Science
Some Neanderthals resorted to desperate (and gruesome) measures to survive.

SpaceX's Starship 'hopper' freezes up, but could still throw fire soon - CNET
Elon Musk says the first test firing of his Mars rocket prototype has been delayed by ice.

Ancient 'Snowball Earth' thawed out in a flash - Science Magazine
Rocks in China point to a geologically fast melting event 635 million years ago

Mars may have significant amounts of water underneath the surface - Fox News
In 2018, scientists made the incredible discovery that they had found a "stable body of liquid water" on Mars. A new study takes that one step further and suggests that the water thought to be responsible for dark streaks on the Red Planet may be coming from …

The underground communities taking over Centralia, Pennsylvania - The Verge
A fire has been burning under the town of Centralia, Pennsylvania, for nearly 60 years, leaving it uninhabitable for humans. But some other lifeforms have happily appeared: thermophiles.

Scientists capture live, atomic-level detail of nanoparticle formation -
Scientists at the Sensitive Instrument Facility of the U.S. Department of Energy's Ames Laboratory achieved real-time atom rearrangement monitoring using aberration-corrected scanning transmission electron microscopy during the synthesis of intermetallic nano…

NASA announces top three designs for homes on Mars - WKTV
The goal of NASA's 3D-Printed Habitat Challenge is to create substantial shelters for the moon, Mars or beyond.

The Transpolar Drift is faltering: Sea ice is now melting before it can leave the nursery - Science Daily
The dramatic loss of ice in the Arctic is influencing sea-ice transport across the Arctic Ocean. Today only 20 percent of the sea ice that forms in the shallow Russian marginal seas of the Arctic Ocean actually reaches the Central Arctic, where it joins the T…

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