News tagged with years

Why can't we see the center of the Milky Way?

For millennia, human beings have stared up at the night sky and stood in awe of the Milky Way. Today, stargazers and amateur astronomers continue in this tradition, knowing that what they are witnessing is in fact a collection ...

dateJul 10, 2015 in Astronomy
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Monarch butterfly numbers drop by 27 percent in Mexico

The number of monarch butterflies wintering in Mexico dropped by 27 percent this year, reversing last year's recovery from historically low numbers, according to a study by government and independent experts released Thursday.

dateFeb 09, 2017 in Ecology
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Vast luminous nebula poses a cosmic mystery

Astronomers have found an enormous, glowing blob of gas in the distant universe, with no obvious source of power for the light it is emitting. Called an "enormous Lyman-alpha nebula" (ELAN), it is the brightest and among ...

dateFeb 23, 2017 in Astronomy
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