In our era of mind-twisting cosmic items like pulsars and black holes, when edge-of-the-universe galaxies are routinely detected by billion-dollar...

Nature’s greatest sky spectacles may be perfectly silent, but they provoke shouts and gasps. People cannot believe the soul-stirring glory...

A lunation is the term for the Moon passing through all of its phases, which takes 29 ½ days and was...

The first half of this year, a single planet caught everyone’s eye. Well, not everyone, just those who were up...

We breathe mostly nitrogen. It makes up about 80% of the air. It doesn’t hurt us and it doesn’t help...

Some planets are easy to find in the night sky, while only one is usually difficult. That’s because Venus, Jupiter...

I’m a liar. I can’t help it. One or two things I write each week is wrong to some degree....

July’s first-ever James Webb Telescope images two weeks ago showed sharper-than-ever scenes of extremely distant objects – some distorted into...

This collage prepared by combining NASA images, shows Saturn and six of its satellites. Along with a few of Jupiter's...

All cultures through time paid attention to the solar patterns because their food production depended on it. Next in line...

Now that June is here, we're finally leaving windows open and breathing the best air of the year. Even if...

You don’t need an astronomer to tell you that the Sun is now high and strong. The summer solstice is...

Neutron stars don’t get much attention these days. They’re not as notorious as black holes, despite warping space and time...

This Sunday night, May 15, the Moon will totally venture into the Earth’s shadow, producing our area’s first worthwhile eclipse...

We’re getting a total lunar eclipse on Sunday, May 15th at a convenient time of night. It’s especially appealing because...

The lunar crater Copernicus, which many regard as the Moon’s loveliest object is easy to find if you gaze moonward...

The universe has two dozen "physical constants" like the force of gravity that are just right to allow for the...

If you’re not a musician or college student, there’s a chance you’re awake between 6 and 6:30 a.m. And if...

The universe is an Empire of Extremes. If you made a model of the cosmos where Earth -- wonderful, comfortable...

People have high expectations for the new James Webb Space Telescope as it continues — so far flawlessly — toward...