Science News Roundup: Branson's Virgin Galactic to sell space flight tickets starting at $450,000; Geological analysis explains durability of Stonehenge megaliths

Following is a summary of current science news briefs. Branson's Virgin Galactic to sell space flight tickets starting at $450,000 Spaceship company Virgin Galactic said it will open ticket sales on Thursday for space flights starting at $450,000 a seat, weeks after billionaire founder Richard Branson's high-profile trip to the edge of space.

Following is a summary of current science news briefs.

Branson's Virgin Galactic to sell space flight tickets starting at $450,000

Spaceship company Virgin Galactic said it will open ticket sales on Thursday for space flights starting at $450,000 a seat, weeks after billionaire founder Richard Branson's high-profile trip to the edge of space. Branson soared more than 50 miles above the New Mexico desert aboard a Virgin Galactic rocket plane on July 11 and safely returned in the vehicle's first fully crewed test flight to space, a symbolic milestone for a venture he started 17 years ago. Shares of the company rose 5% in extended trading on Thursday.

Geological analysis explains durability of Stonehenge megaliths

The first comprehensive scientific analysis of Stonehenge's imposing megaliths has revealed some of the traits that made them an exemplary building material for the famed monument in southern England including their stout resistance to weathering. Researchers on Wednesday described a battery of examinations that provided a glimpse inside one of Stonehenge's 52 sandstone megaliths, known as sarsens, gaining insight into its geology and chemistry.

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