US and World News

Scientists say xenobots, world's first living robots, can reproduce | TheHill - The Hill
Scientists who created xenobots, the world's first living robots, say the life forms are "the fir...

New study shows the largest comet ever observed was active at near-record distance - Phys.Org
A new study by University of Maryland astronomers shows that comet Bernardinelli-Bernstein (BB), the largest comet ever discovered, was active long before previously thought, meaning the ice within it is vaporizing and forming an envelope of dust and vapor kn…

Ancient mammoth tusk discovered 10,000 feet deep in ocean off California coast | TheHill - The Hill
“You start to ‘expect the unexpected’ when exploring the deep sea, but I’m still stunned that we came upon the ancient tusk of a mammoth,” said Steven Haddock, senior scientist with the Monterey Institute.

Football field-sized asteroid to approach Earth on Monday night, one of several in the coming weeks - USA TODAY
The asteroid 1994 WR12, which is 30 feet bigger than a football field, will be 3.8 million miles away from Earth on Monday night.

Hubble's enormous, ambitious successor is poised to change our understanding of the universe - Salon
100 million hours of work went into the James Webb Space Telescope. It's finally ready for launch

Researchers propose a simpler design for quantum computers - Phys.Org
Today's quantum computers are complicated to build, difficult to scale up, and require temperatures colder than interstellar space to operate. These challenges have led researchers to explore the possibility of building quantum computers that work using photo…

Physicists Detect Neutrinos for First Time Ever Using Large Hadron Collider - Gizmodo
The detection represents a "significant breakthrough"—and proves the value of an upcoming experiment.

SpaceX drone ship heads to sea for record-breaking Starlink launch - Teslarati
SpaceX’s newest drone ship is on its way out into the Atlantic Ocean for a Starlink mission that will break the company’s record for annual launch cadence. Somewhat confusing known as Starlink Shell 4 Launch 3 or Starlink 4-3, the batch of 53 laser-linked V1.…

How and When the Earth and Moon Formed - SciTechDaily
The Earth formed over 4.6 billion years ago out of a mixture of dust and gas around the young sun. It grew larger thanks to countless collisions between dust particles, asteroids, and other growing planets, including one last giant impact that threw enough ro…

Study suggests Sun is likely an unaccounted source of the Earth's water - Phys.Org
Curtin University researchers have helped unravel the enduring mystery of the origins of the Earth's water, finding the Sun to be a surprising likely source.

Climate change is making one of the world's strongest currents flow faster - Phys.Org
The Antarctic Circumpolar Current (ACC), the only ocean current that circumnavigates the planet, is speeding up. For the first time, scientists are able to tell that this is happening by taking advantage of a decades-long set of observational records.

Geologists peer into the past to answer one of the Grand Canyon's oldest questions - Phys.Org
On a recent 11-day raft trip through the Grand Canyon, geologists gathered evidence in hope that it would allow them to peer billions of years into the past. Using a relatively new technique, they were able to estimate the age of a mysterious section of the n…

James Webb Space Telescope cleared for late December launch - Ars Technica
Webb will launch on a European-built Ariane 5 rocket no earlier than Dec. 22.

Möbius strip microlasers for non-Euclidean photonics applications - Phys.Org
Photonics is a branch of technology development that specializes in the creation of devices that can generate, detect or manipulate light. Recently, researchers at Université Paris-Saclay coined a new term for a new photonics sub-field called non-Euclidean ph…

Oldest-known fossils of mysterious human lineage uncovered in Siberian cave -
The newly discovered Denisovan bones are 200,000 years old.

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