At the ragged frontier where the Sun’s influence gives way to the galaxy, a decades‑old spacecraft has stumbled into a ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

One of the biggest recent surprises in astronomy is the discovery that most stars like the Sun harbor a planet between the ...

Our galaxy, the Milky Way, is home to multiple wonders. There is our biggest star, VY Canis Majoris, the column-like structures known as the Pillars of Creation, and, in the middle of it all, a ...

Astronomers may have finally worked out how planets between the size of Earth and Neptune – which aren't found in our Solar ...

At the farthest reach of the Sun’s influence, NASA’s Voyager 1 spacecraft has stumbled into a region that behaves less like empty space and more like a furnace, where charged particles heat to tens of ...

The Oort cloud is traditionally thought of as a vast shell of perhaps trillions of icy objects encasing our solar system, serving as the final boundary between us and the dark reaches of interstellar ...

The comet, discovered in July 2025, originated far beyond our Solar System and is thought to be around 7 billion years old - ...

Dark matter refers to material that does not absorb, reflect, or emit any electromagnetic radiation. Astronomers have ascertained the existence of dark matter through the gravitational influence it ...

There’s a bit of a paradox about our galaxy: it’s both jam-packed with stars and cavernously empty. The Milky Way is crowded in the sense that it holds hundreds of billions of stars, as well as ...

And the earth was without form and void, and darkness was upon the face of the deep. Sometimes, if the night is dark and clear enough, you can look up and see the Milky Way in its arc across the sky.