The shortest day of the year is descending on the Northern Hemisphere. Here’s what to know

Sunday marks the shortest day of the year in the Northern Hemisphere, signaling the start of astronomical winter.

Winter solstice is nearly upon the Northern Hemisphere. Here’s what to know about the shortest day of the year

Sunday is the shortest day of the year north of the equator, where the solstice marks the start of astronomical winter. It’s ...
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NASA's Parker Solar Probe mapped an unseen part of the sun at its most active moment

For the first time, scientists have created detailed, 2D maps of the sun's outermost atmosphere. This feat was accomplished ...
Space on MSN

Finding the point of no return: Sun's shifting, spiky atmospheric boundary mapped in detail for 1st time

"This work shows without a doubt that Parker Solar Probe is diving deep with every orbit into the region where the solar wind is born." ...