An exoplanet in the Trappist star system — a multi-planet star system similar to the solar system and just 39 light-years ...

Massive object passing through solar system is a better explanation for nature of orbits of Jupiter, Saturn and Neptune ...

TRAPPIST-1 b, the innermost planet, was recently observed in depth by JWST in the mid-infrared, a type of light to which our ...

A terrestrial planet has a solid rocky surface, with metals deep in its interior. In the solar system, these planets are closer to the sun and are therefore warmer than the planets located farther ...

Scientists using the powerful James Webb Space Telescope sought to observe a planet beyond our solar system (an exoplanet) called Kepler-51d, an unusual "puffy" world with a cotton candy-like density.

Mercury is the least explored of the four rocky planets in the inner Solar System. It wasn’t until 2011 that NASA’s MESSENGER ...

It’s the question that is forever being asked: is there other life in space? And I’m not here to tell you that definitive ...

Astronomers posed over the past decade that dark comets, or objects that resemble asteroids but move like comets, may exist.

When you look up in the night sky, our moon is unmissable.Just like Earth, it's round and has a solid, rocky surface. But is ...

In stark contrast with a paper released last year that determined the exoplanet was likely to be bare and barren, new data ...