If you missed the grand planetary alignment at the end of February, most of the planets aren't going anywhere. Mercury, Venus ...

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 ...

It rapidly zooms into the morning sky, reaching an angular distance of 15 degrees from the sun by month's end. Meanwhile, glowing brilliantly, well up in the southern and western sky is Jupiter.

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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 ...