Exoplanet evolution: Astronomers expand cosmic 'cheat sheet'

Cornell astronomers have reached into nature's color palette from early Earth to create a cosmic "cheat sheet" for looking at distant worlds. By correlating tints and hues, researchers aim to understand where discovered exoplanets ...

Holes in the Universe sharpen cosmic measurements

Regions of the Universe containing very few or no galaxies—known as voids—can help measure cosmic expansion with much greater precision than before, according to new research.

Star formation may be halted by cold ionized hydrogen

For the first time ionized hydrogen has been detected at the lowest frequency ever towards the center of our Galaxy. The findings originate from a cloud that is both very cold (around -230 degrees Celsius) and also ionized, ...

Telescope viewing suspended as protesters block Hawaii road

Astronomers have indefinitely stopped looking through 13 existing telescopes at the summit of Mauna Kea in Hawaii while protesters block the road downslope in an attempt to prevent the construction of a giant new observatory.

Europe's GPS rival Galileo suffers outage

Europe's Galileo satellite position system, a future rival of the American GPS network, has been out of service since Friday, its oversight agency said.

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