The heart of the lion stays close to the Moon the next couple of nights. The bright star that marks the lion’s heart is Regulus. It’s to the lower left of the Moon at nightfall this evening, and to th

Two giants of the solar system huddle close together in the evening twilight the next few days. The viewing window is short, so you need to time it just right to see them.Jupiter and Uranus are low i

The star Arcturus is a little bit heavier than our own star, the Sun. Yet that small difference has a big effect on the stars evolution: Arcturus entered a late stage billions of years earlier than t

The Moon creeps up on the twin stars of Gemini this evening. As night falls, Pollux and Castor are above the Moon. Pollux is on the left, and is a bit brighter than its twin.Theres a lot more to G

This time of year is pretty inviting for some evening skywatching. The evening hours are warm but not usually too hot, and spring storm activity generally hasnt reached its peak pleasant conditions

Planetary systems can be violent. In our own solar system, for example, the Moon probably was born from the debris left over when a planet as big as Mars rammed into Earth billions of years ago. And t

Planets like Earth live in the Goldilocks zone the region around a star where conditions are most comfortable for life. But most planets arent so cushy. Theyre either far away and cold, or close

If you heat up some alphabet soup, you shouldnt end up with all the letters clumped together they should be fairly evenly spread throughout the pot.According to the current understanding of the un

Europa is one of the more intriguing bodies in the solar system and one that scientists are especially eager to land a spacecraft on. The big moon of Jupiter may have a global ocean below its icy cr

In case you havent heard, theres a big event this afternoon a total eclipse of the Sun. Totality is visible along a narrow path from Texas to Maine. The parts of the country outside that path will