Helium can help scientists detect the speed and direction at which we’re moving through space. Deuterium, which is left over ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

With a lining up of planets and distant galaxies visible to the naked eye, there is a lot to see in the skies in February.

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

We will never get an image of the Milky Way from above, but M81 or Bode's galaxy is a good stand-in – and now is a great time ...

New research suggests that a massive, unidentified object might have passed through our Solar System billions of years ago, ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

Analysis of debris from the nearly 5 billion-year-old asteroid Bennu suggests the building blocks of DNA and RNA were present ...

The Milky Way is a spiral galaxy and our Solar System is about half-way along one of its arms. Our Sun orbits the centre of the Milky Way at about 140 miles every second. It takes about 230 ...

It's possible for our solar system to capture a rogue planet and give it a home as it hurtles through the galaxy, according to a new study. In 2017, astronomers at the Pan-STARRS1 observatory were ...