Astronomy is a lovely undertaking by day or by night, but the sky has delights to offer in the between times as well. When ...

The new moon of December occurs tonight. A day later, Southern Hemisphere observers will see the peak of the Phoenicid meteor ...

Open star clusters sparkle as Luna and Venus line up and Jupiter’s moons jockey for position in the sky this week.

From Mercury outwards to Venus. At more than twice the distance from the Sun, one would be forgiven for thinking the planet ...

A flurry of solar storms suggests the sun is in a period of maximal activity, so more auroras could be in store. Next month, ...

The goal of the Parker Solar Probe mission is to investigate the mysteries of the sun's corona, its outer atmosphere. What ...

Instruments aboard robotic landers have measured seismicity on the moon and Mars, helping researchers learn about the inner ...

With NASA’s fleet of heliophysics spacecraft, scientists monitor our Sun and investigate its influences throughout the solar ...

P.M. EST, leaving most of the evening dark for deep-sky observing.  About two hours after sunset, you'll find the Great ...

Venus — stages a comeback. During the first half of the month, however, the moon steals the show. On the 4th, a young ...

When you read this article, I hope you're in a cozy, warm home in the early evening, looking out a west-facing window. If the ...