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

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

Our solar system, a cosmic ballet of planets held together by gravity and inertia, is uniquely structured compared to many ...

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System. This provides another piece of the puzzle to ...

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 ...

Using the Hubble Space Telescope (HST), astronomers from the University of California Santa Cruz (UCSC) and elsewhere have ...

An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found ...

Our home planet is bombarded with particles from outer space all the time. And while we are mostly familiar with the rocky ...

Scientists found an intriguing world in our galaxy.

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

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

NASA scientists found amino acids, key minerals, and nucleobases for DNA in samples from the OSIRIS-REx asteroid mission.