Blending wind and solar meets peak energy demands

In parts of Texas and California, a good match between renewable energy production and peak energy demands could be obtained by combining wind power with solar power, according to a U.S. Department of Agriculture (USDA) scientist.

ZigBee would allow remote use of home electronics

You probably have a mobile phone with a Bluetooth radio in it, and you may have a Wi-Fi network as well. Soon, you could be using a third wireless networking technology in your house.

Atmospheric 'sunshade' could reduce solar power generation

The concept of delaying global warming by adding particles into the upper atmosphere to cool the climate could unintentionally reduce peak electricity generated by large solar power plants by as much as one-fifth, according ...

The universe's accelerated expansion might be slowing down

The universe is still expanding at an accelerating rate, but it may have slowed down recently compared to a few billion years ago, early results from the most precise measurement of its evolution yet suggested Thursday.

Largest collection of free-floating planets found in the Milky Way

Using observations and archival data from several of NSF's NOIRLab's observatories, together with observations from telescopes around the world and in orbit, astronomers have discovered at least 70 new free-floating planets—planets ...

Dark Energy Spectroscopic Instrument (DESI) starts 5-year survey

A five-year quest to map the universe and unravel the mysteries of "dark energy" is beginning officially today, May 17, at Kitt Peak National Observatory near Tucson, Arizona. To complete its quest, the Dark Energy Spectroscopic ...

Final data release from DESI Legacy Imaging Surveys issued

Astronomers using images from Kitt Peak National Observatory and Cerro Tololo Inter-American Observatory have created the largest ever map of the sky, comprising over a billion galaxies. The ninth and final data release from ...

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