NASA’s Perseverance rover has uncovered chemical signatures in Martian rocks hinting at possible past life, while new ...

The large database of exoplanets allows researchers to compare our solar system to the rest of the universe, seeing it from a new perspective. This approach has revealed, for example, that there seem ...

Most explanations rely on "dark energy" to explain the Universe's accelerating expansion rate, but a new study takes a ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

NASA is set to launch three spacecrafts Tuesday with the goal of unlocking the mysteries of solar weather at the edge of our solar system.

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Spirals ...

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 ...

The asteroid belt may seem permanent, but it is far from static. Its slow decline reveals a more violent past when more ...

HD 140283, better known as the Methuselah star, is around 200 light-years from Earth, in the constellation of Libra. It is ...