Spring is here—officially, at least. The vernal equinox arrives on Tuesday, marking the start of the spring season for the Northern Hemisphere.
Planetary Sciences
Mar 18, 2024
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The asteroid and comet-hunting infrared space telescope has gathered an impressive haul of observations, but it's now at the mercy of the sun, which is accelerating its demise.
Astronomy
Dec 14, 2023
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The most famous comet of all is headed back toward Earth. Halley's comet reached aphelion—its farthest point from the sun—on Dec. 8, at which point it began its long journey back to the sun.
Planetary Sciences
Dec 12, 2023
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As an astronomer and meteor enthusiast, I'd say it's the most wonderful time of the year.
Astronomy
Dec 11, 2023
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It's easy to get swept up in the swirling starry arms of this intermediate spiral galaxy, NGC 4654, in the constellation Virgo. The galaxy has a bright center and is labeled "intermediate" because it has characteristics of ...
Astronomy
Oct 3, 2023
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Did you know the Northern lights or Aurora Borealis are created when the mythical Finnish "firefox" runs so quickly across the snow that its tail causes sparks to fly into the night sky?
Planetary Sciences
Sep 21, 2023
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What do you feel when you see the aurora?
Planetary Sciences
Aug 15, 2023
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A solar storm forecast for Thursday is expected to give skygazers in some states along the U.S.-Canada border a faint glimpse of the northern lights which—at their peak—produce a colorful sky show when solar wind hits ...
Planetary Sciences
Jul 13, 2023
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An intense solar storm has the northern lights gracing the skies farther south than usual. A blast of superhot material from the sun late last week hurled scorching gases known as plasma toward Earth at nearly 2 million mph ...
Planetary Sciences
Apr 24, 2023
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Scientists in Sweden put on a light show in the night sky on Thursday, releasing material from a sounding rocket to research the spectacular northern lights phenomena.
Space Exploration
Mar 23, 2023
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