Jupiter is at its closest (380,161,047 miles away by my math), and as a result, biggest and brightest this weekend until 2033. You can't miss the bright point of light above the eastern horizon ...

The two brightest nighttime stars available in the Minnesota and Wisconsin sky are Sirius and Arcturus. April is the only ...

Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky ...

Mars and the moon will also be in conjunction tonight. If you're lucky enough to have clear skies tonight, you can catch a "mini planet parade" as Mars and Jupiter appear alongside a half-lit moon in ...

Without question, the month of April belongs to Venus. This dazzling planet, which dominated the evening sky from last fall on through the winter, has now taken up residence in the morning sky.

Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.

Mars and Jupiter take center stage this month. Mars is visible high overhead after dark, shining bright and red as it moves ...

The past two weeks were almost entirely cloudy. Behind the clouds, we missed many beautiful events involving the moon, ...

Io is an incredibly active and extreme place, with glistening lava lakes and volcanic eruptions shooting sulfur and magma to ...

Explore the amazing discovery of Jupiter’s swirling dark vortices and their connection to its powerful magnetic field and ...

Venus, Mercury and Saturn have recently moved into the morning sky, leaving Jupiter and Mars as the sole bright evening planets. Jupiter maintains its brilliance, but Mars continues to fade as its ...

Dec. 9, 2024 — A NASA Hubble Space Telescope observation program called OPAL (Outer Planet Atmospheres Legacy) obtains long-term baseline observations of Jupiter, Saturn, Uranus, and Neptune in ...