Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

The mysterious interstellar object traveling through our solar system has been spotted acting like no other comet ever seen before, revealing its alien origins. Scientists from Michigan State ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Telescopes around the world are now tracking a new visitor to our celestial neighborhood. Streaking through at a speed and trajectory that not even the Sun's immense gravity can capture, we will only ...

Around 70,000 years ago, a small, reddish star came near our solar system and disturbed comets and asteroids – just when modern humans were beginning to leave Africa. The star – Scholz’s star – named ...

The universe is at it again; scientists have been baffled by a discovery that turns all the knowledge they have on planetary systems on its head. Scientists have discovered an alien solar system ...

Astronomers have used a powerful mountaintop observatory to record three of the most detailed photos yet of infant solar systems and their nascent planets. The scientists were even able to see ...

Every night, the comet grows bigger and brighter in the sky, expelling streams of gas and dust that may offer up clues to its mysterious history Author of the article: You can save this article by ...

Life could have arrived on Earth in ancient collisions with rocks from other solar systems (Image: Hubble/Princeton) Life could have arrived on Earth in rocks from other solar systems, scientists ...

NASA has revealed a fabulous new collection of simulated sunsets, allowing us to see what the view would be like from the surface of another world. When scientists make plans for a new space mission, ...