US and World News

NASA astronaut plans to cast her ballot from space station - The Associated Press
ATLANTA (AP) — NASA astronaut Kate Rubins told The Associated Press on Friday that she plans to cast her next vote from space – more than 200 miles above Earth. Rubins is just outside Moscow...

Study Reveals Sapiens Copulated the Y Out of Neanderthals - Ancient Origins
Early human interbreeding with our “cousins” the Denisovans and Neanderthals is an established fact but newly sequenced Neanderthal Y-chromosomes tell scientists that modern humans are the product of a complex history of interspecies sex.

There's No Speed Limit in a Superfluid Universe. Now We Know Why - ScienceAlert
In the cold, dense medium of a helium-3 superfluid, scientists recently made an unexpected discovery. A foreign object travelling through the medium could exceed a critical speed limit without breaking the fragile superfluid itself.

Watch SpaceX fire up its furious new Raptor Vacuum engine - CNET
Elon Musk's company shares footage of some really hot stuff.

NASA Awards Launch Services Contract for IMAP Mission - NASA
NASA has selected Space Exploration Technologies (SpaceX) of Hawthorne, California, to provide launch services for the agency’s Interstellar Mapping and Acceleration Probe (IMAP) mission, which includes four secondary payloads.

Paradox-Free Time Travel is Mathematically Possible: Study | Physics -
Time travel with free will is logically possible in our Universe without any paradox, according to new research from the University of Queensland.

The first black hole ever photographed now appears to be "wobbling" - CBS News
Scientists were surprised to find the ring of gas surrounding the supermassive black hole appears to have moved significantly.

The Quiet of Covid-19 Has Birds Singing Sultrier Songs - Gizmodo
While social distancing measures have pushed many people into sexless, joyless bubbles, San Francisco birds are getting flirtier and more coy. I’m glad someone’s getting some.

Back to Venus: Upstart company wants to beat NASA in search for life -
Can a small American aerospace company get to Venus before NASA returns to our superheated planetary neighbor?

SpaceX's GPS contract modified to allow reuse of Falcon 9 boosters - SpaceNews
Gwynne Shotwell: "We are pleased that they see the benefits of the technology.”

OSIRIS-REx will attempt its first asteroid sample collection next month - Engadget
Sony is no stranger to the true wireless-earbud craze. The company introduced the WF-1000X almost two years ago and followed with the WF-SP700N in 2018. However, even with that experience, Sony hasn't really seemed to hit its stride. There are always issues h…

Physicists develop a method to improve gravitational wave detector sensitivity -
Gravitational wave detectors have opened a new window to the universe by measuring the ripples in spacetime produced by colliding black holes and neutron stars, but they are ultimately limited by quantum fluctuations induced by light reflecting off of mirrors…

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