US and World News

Asteroid danger: Top NASA chief issues grave warning of deadly collision - 'Not Hollywood' -
NASA Administrator Jim Bridenstine has issued a grave warning on the prospect of an asteroid collision.

Astronomers Discover an Entire Population of Ancient Galaxies - Futurism
And they could shed new light on everything from black holes to dark matter.

Dead planets send out zombie signals that can be heard on Earth - CNET
They've been destroyed by their suns but still sing a sad song. And one day it's going to happen here, too.

Earth's Last Magnetic-Pole Flip Took Much Longer Than We Thought -
Volcanic records revealed the complexity of the magnetic-field reversal.

Researchers design a light-trapping, color-converting crystal -
Five years ago, Stanford postdoctoral scholar Momchil Minkov encountered a puzzle that he was impatient to solve. At the heart of his field of nonlinear optics are devices that change light from one color to another—a process important for many technologies w…

Just one season of playing football—even without a concussion—can cause brain damage - Science Magazine
Study suggests midbrain may hide significant injury

A marine microbe could play increasingly important role in regulating climate -
A USC-led research team has found that marine microbes with a special metabolism are ubiquitous and could play an important role in how Earth regulates climate.

NASA’s Curiosity Rover Stumbles Upon a Strangely Complicated Martian Rock - Gizmodo
The Curiosity team is calling it “Strathdon”—a boulder-sized Martian rock comprised of dozens of sedimentary layers. Its discovery suggests the area being explored by the NASA rover is more geologically complex than is typically appreciated.

Mysterious American ‘space plane’ has been in orbit for 700 days - and no one knows why - Yahoo News
A mysterious robotic ‘space plane’ has stayed in orbit for nearly two years - and few people know what it’s really up to. The Boeing X-37B craft - also know...

We Could Be Witnessing the Death of a Tectonic Plate, Says Earth Scientist - Live Science
A gaping hole in a dying tectonic plate beneath the ocean along the West Coast of the United States may be wreaking havoc at Earth's surface, but not in a way most people might expect.

Boeing, SpaceX, space race 'frenemies', team up for satellite launch - Fox Business
Elon Musk and Dennis Muilenburg are locked in a competition to transport people to space.

See NASA's next-gen space telescope unfold like a weird Transformer - CNET
The James Webb Space Telescope may be running late, but its secondary mirror system just passed a big test.

Telescope captures cosmic seagull nebula in flight - CNN
The Seagull Nebula appears to be in flight, but it's really an active stellar nursery full of newborn stars.

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