An astonishing number of viruses are circulating around the Earth's atmosphere – and falling from it – according to new research from scientists in Canada, Spain and the U.S.
Ecology
Feb 6, 2018
13
749
NASA is adding a third company to its short list of space station suppliers, a Nevada business that will bring back a mini version of the shuttle.
Space Exploration
Jan 14, 2016
7
46
A SpaceX rocket exploded in midair during a test flight, though no one was injured, as the company seeks to develop a spacecraft that can return to Earth and be used again.
Space Exploration
Aug 23, 2014
8
0
(Phys.org) —The Isabella anomaly—indications of a large mass of cool, dehydrated material about 100 kilometers beneath central California—is in fact a surviving slab of the Farallon oceanic plate. Most of the Farallon ...
Earth Sciences
Mar 18, 2013
3
0
(PhysOrg.com) -- California's western Sierra Nevada had more frequent fires between 800 and 1300 than at any time in the past 3,000 years, according to a new study led by Thomas W. Swetnam, director of UA's Laboratory of ...
Environment
Mar 17, 2010
22
1
The first flight of a commercial vessel to the International Space Station in late April will signal a bigger role for the private sector and open up space tourism opportunities, industry experts and lawmakers say.
Space Exploration
Mar 25, 2012
4
0
The most extreme drought event in hundreds of years caused a catastrophic die-off of the Sierra Nevada's mature trees in 2015-2016.
Environment
Jul 2, 2019
4
1
Some of the areas hosting most of the world's biodiversity are those inhabited by indigenous peoples. In the same way that biodiversity is being eroded, so is the world's cultural diversity. As a result, there have been several ...
Social Sciences
Sep 4, 2017
1
219
Virgin Galactic owned by Sir Richard Branson completed a successful test on May 28, 2009 of its hybrid nitrous oxide motor designed by Scaled Composites and a subcontractor Sierra Nevada Corporation. The innovative hybrid ...
To some casual observers, ladybugs (or lady beetles) are colorful symbols of good luck—harbingers of fortune and fame. Gardeners value them for their utility as ravenous insects that prey upon plant pests. They buy them ...
Ecology
Jul 10, 2018
0
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