Meteor shower guide 2024: The Delta Aquariids and Perseids

The Delta Aquariids meteor shower rambles across the skies for weeks. Look for them from late July through early August. Your 2024 meteor shower guide here.

Mars in 2024: Find it in the morning sky

Mars is ascending higher in the morning sky each month. Mars will be visible before dawn for the rest of 2024. Then, by the year's end, it'll suddenly become brighter!

Latest sunsets follow the summer solstice

Latest sunsets around now for 40 degrees north latitude. Latest sunrises around now for 40 degrees south latitude. Plus, a word about twilight.

June solstice in 2024: All you need to know

The June solstice will happen on June 20, 2024. It's the longest day for the Northern Hemisphere and the shortest day for the Southern Hemisphere.

The ecliptic is the sun’s path in our sky

The ecliptic is the path the sun takes across our sky. It's the Earth-sun plane, and, more or less, the plane of our solar system.

The North Star: Does it ever move?

The North Star is a symbol for constancy. But, a video of it overnight, reveals that it makes its own little circle around the sky's north pole every day.

Venus superior conjunction: Venus is behind the sun today

The moment of the Venus superior conjunction - passing between the sun and Earth - in 2024 is at 16 UTC (11 a.m. CDT) today, June 4.

Dark nebulae are obscuring clouds of gas and dust

Dark nebulae are clouds of gas and dust in space. They block the light of stars shining behind them. Often, they're locations where new stars are forming.

What’s a galaxy? All you need to know

What is a galaxy? We live in a galaxy called the Milky Way. But there is so much more to know about these grand and glorious star islands in space!

Constellations and signs: What’s the difference?

What is the difference between signs of the zodiac and constellations of the zodiac? Astronomer Guy Ottewell illustrates and discusses this difference.