US and World News

Fireball ‘as bright as the moon’ lands in Lake Huron -
Some people on the Canadian side of Lake Huron got a good, quick view of this phenomenon before it disappeared.

For hottest planet, a major meltdown, study shows -
In the scorching atmosphere of exoplanet KELT-9b, even molecules are torn to shreds.

SLS Core Stage in Stennis B-2 Stand to start Green Run campaign -
The Green Run test campaign for the first NASA Space Launch System (SLS) Core Stage…

NASA's resilient Curiosity Rover bounces back once more after attitude issue - Teslarati
NASA’s Curiosity rover had a little attitude problem earlier this week. The issue sidelined the rover for a brief time, but the golf cart-sized robot is back to roaming the red planet. In rover speak, “attitude” doesn’t mean Curiosity is being sassy, but rath…

NASA is hiring someone to help figure out how to get Mars rocks back to Earth — and the position pays at least $182,000 - msnNOW
The Mars Sample Return mission aims to get pristine rocks from the red planet back to Earth, perhaps by the end of the decade.

Dark Matter Detector Gets Life Extending Fix During Space Walk - NPR
Two astronauts aboard the International Space Station make their fourth foray outside the spacecraft to prolong the lifespan of a cosmic ray detector.

NASA scientists planning Mars 2020 mission say this planet could hold answers about Earth - CBS News
Venus' heat-trapping atmosphere – 97% carbon dioxide – and 900-degree average surface temperature present both a challenge and an opportunity for learning about Earth's formation.

Spacewalkers fix unexpected leak during final work to repair $2 billion cosmic ray detector - CBS News
The last in a series of spacewalks should put a $2 billion scientific instrument back in business.

Space Photos of the Week: An Ode to Infrared - WIRED
The Spitzer Space Telescope wasn’t big, but its view of the universe was certainly mighty.

Advanced Timber Architecture Gives New Life To Wooden Structures - Hackaday
When it comes to building materials, wood doesn’t always draw the most attention as the strongest in the bunch. That honor usually goes to concrete and steel – steel embedded in concret…

This vampire star is feeding on its companion to create a ‘super-outburst’ - Digital Trends
Astronomers have spotted a vampire star feeding on one of its brethren in a dwarf nova. A nova is marked by the sudden appearance of a bight, seemingly new star, which fades over a period of weeks or months. What is unusual about this particular nova is that …

The most complete brain map ever is here: A fly’s “connectome“ - Ars Technica
It took 12 years and at least $40 million to chart a region about 250 micrometers across—about the thickness of two strands of hair.

Mysterious Footprints Indicate Neanderthals Climbed a Volcano Right After It Erupted - ScienceAlert
According to legend, the devil once took a walk down the side of a volcano in southern Italy, each step preserved forever in solid rock.

Astronomers worry think SpaceX's darkened Starlink satellites will work - Business Insider - Business Insider
Elon Musk has promised SpaceX satellites won't interfere with scientific discoveries — but scientists aren't so sure.

Has physicist's gravity theory solved 'impossible' dark energy riddle? - The Guardian
Prof Claudia de Rham’s ‘massive gravity’ theory could explain why universe expansion is accelerating

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