The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

Tonight will be partly cloudy and colder, as the wind shifts to a northerly direction. Lows reach the teens and 20s. Wednesday will be chilly, with a partly sunny sky in the morning giving way to more ...

It rapidly zooms into the morning sky, reaching an angular distance of 15 degrees from the sun by month's end. Meanwhile, glowing brilliantly, well up in the southern and western sky is Jupiter.

Red sky at night, sailor’s delight. Red sky in morning, sailor’s warning” is real science. Here’s how dust, atmospheric ...

Early Friday morning, the Earth will pass between the sun and the moon, casting a shadow over the moon for several hours.

Tomorrow night, skywatchers across the Big Country will get a front-row seat to a stunning celestial event — a total lunar eclipse! Here’s what you need to know: On Thursday night and into Friday ...

A total eclipse of the Moon is the highlight of this month, visible across North and South America. Venus remains very bright ...