Category: Astronomy

Far beyond the soft swirl of our Milky Way, hidden in the dim outskirts of the M81 galaxy group, drifts…

In 2015, astronomer Tabetha Boyajian and her team pointed their telescopes toward a star nearly 1,500 light-years away and noticed…

In the vast silence of the cosmos, nearly five billion years ago, a swirl of cosmic dust and gas ignited…

From the moment Earth first coalesced out of cosmic dust 4.5 billion years ago, one star has been our unbroken…

Long before Earth spun into existence, before oceans shimmered or mountains rose, before life dared to dream of itself, there…

Long before telescopes scanned the heavens and equations etched the fabric of space-time, humans stared into the night sky and…

For as long as humanity has gazed at the night sky, we have been enchanted by its silent mysteries. The…

When we gaze up at the night sky, it’s easy to feel alone. Our planet spins in the cold darkness…

On clear nights, when the moon hides and city lights are far away, the heavens unveil something breathtaking—an arch of…

On a still, ancient night long before telescopes, before electricity, even before civilization learned to write, someone looked up at…

Since time immemorial, humanity has gazed at the night sky with wonder and curiosity, asking the same profound question: Are…

The solar system, as it appears to most of us, feels like a familiar place. There is the glowing Sun,…

In 1967, a young Cambridge graduate student named Jocelyn Bell Burnell was poring over miles of data from a brand-new…

There was a time when humanity believed the universe had always existed. Infinite. Eternal. Static. Unchanging. Philosophers like Aristotle held…

The night sky has always whispered questions to those bold enough to listen. For as long as humans have tilted…

In the vast darkness between stars, hidden in the glare of their suns, countless worlds are spinning—alien planets with strange…

Black holes are the most extreme objects in the universe—regions where gravity becomes so intense that nothing, not even light,…

Space-time: the stage upon which the entire cosmos performs its grandest drama. Since Einstein revolutionized physics in the early 20th…

We live on a small, spinning rock orbiting an average star, in a galaxy among hundreds of billions, inside a…

For as long as humanity has looked up at the stars, we have asked the same haunting question: Are we…

If you step outside on a clear night and look up, what you see—stars scattered like jewels, galaxies wheeling through…

There are places in the universe so strange, so violently mysterious, that even light itself cannot escape them. They are…