Planck's constant reveals the quantum world's fundamental energy levels. It shows how light and matter exist in discrete units (quanta). This constant defines limits to our knowledge of particle ...

We see the Sun every day, but what's happening beneath its fiery surface? In this SpaceBalls episode, we're taking an animated journey deep into the heart of our star! From the nuclear furnace at its ...

Serpens is a constellation split into two parts, Serpens Caput and Serpens Cauda. Serpens contains many celestial objects viewable with telescopes of various sizes. Several globular clusters in ...

After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity's vision of the universe to its utmost limits, we can finally, confidently say that the ...

Scientists have many big questions to tackle about the universe, including how big it actually is. But even the proposed ...

All societies have had ways of understanding nature based on their experiences of it. For example, farmers need to understand the seasons and weather to know when to plant and harvest their crops.

Before defining what a light-year is, we should define what a light-year is not: It is not a measure of time, but rather a measure of distance. The confusion arises from the “year” that comes at the ...

What's happening in the skies over North Texas this month? May holds some spectacular sights in the night and morning sky. Check out the list below. The May full moon, known as the Flower Moon, will ...

In data from a NASA space telescope over 17 years old, an astronomer has allegedly found direct traces of the enigmatic dark matter for the first time.