If you missed the grand planetary alignment at the end of February, most of the planets aren't going anywhere. Mercury, Venus, Mars and Jupiter will all be visible just after sunset throughout early ...

You may have noticed these as a tiny rainbow spot in the sky. I get questions ... a previous Hey Ray about halos. The hexagonal ice crystals that refract light to create Sun and Moon halos are ...

"This is because, among current telescopes monitoring the X-ray sky, WXT is the only one that ... weighing 12 times the sun, and a stellar 'corpse' known as a white dwarf, a compact and hyper ...

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Every second the Sun emits million times more energy than the world consumes ... Is it a threat to us, then? One Sky Project is an international collaboration focused on increasing understanding about ...

The sun is not only in the sky longer each day, but it also climbs higher in the sky, which makes its rays more intense. Solar radiation won't melt bright snow cover. The bright whiteness is ...