Image: The Aurora and the Sunrise

"Sunrise crashes an aurora party over the southern hemisphere," said astronaut Ricky Arnold of the image he snapped from the International Space Station.

Light pollution threatens Chile's dark skies

It seems nothing can escape the inexorable spread of light pollution—not even the giant telescopes probing the heavens above northern Chile, a region whose pristine dark skies, long considered a paradise for astronomers, ...

Halloween asteroid prepares to return in 2018

There is one year to go until asteroid 2015 TB145 approaches Earth once again, just as it did in 2015 around the night of Halloween, during which astronomers studied its characteristics. This dark object measures between ...

Earth-like planet around Proxima Centauri discovered

The hunt for exoplanets has been heating up in recent years. Since it began its mission in 2009, over four thousand exoplanet candidates have been discovered by the Kepler mission, several hundred of which have been confirmed ...

Comet 252P/LINEAR soars into predawn view this week

Astronomers who scan the skies for returning comets are often disappointed. Sometimes these icy visitors from the fringes of our planetary system end up being much fainter than predicted.

Intergalactic GPS will guide you through the stars

Lost in the Universe? Need some precise navigation through the bulk of stars in the night sky? Don't worry, there will be an instrument for that - the Multi-Object Optical and Near-infrared Spectrograph (MOONS) at the European ...

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