Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...

A new gas giant world discovered by citizen scientists using data from NASA's exoplanet-hunting spacecraft TESS is cool, ...

What can Earth-sized exoplanets teach scientists about the formation and evolution of exoplanets throughout the cosmos? This is what a study recently posted to the arXiv preprint server hopes to ...

James Webb’s mid-infrared vision has likely captured a frigid, Saturn-mass planet shaping the dusty rings around the nearby ...

Life outside the Earth is one of the biggest "what if" in history, but NASA is trying to put a end to the discussion - or add more to it - with this new world.

The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

Astronomers have discovered over 100 new alien worlds so far this year — some many light-years away from Earth — that ...

THE James Webb Space Telescope has discovered its first-ever exoplanet – a distant world hidden by the glare of its nearest ...

This Sunday, June 22, offers a breathtaking sky show, with a stunning triangular alignment of the waning crescent moon, the ...

When you buy through links on our articles ... if there were no Planet Nine," said the Times. If there were one, that Planet Nine would "nudge the closest part of 2017 OF201's trajectory inward until ...

The ‘small wonders’ unlocking secrets of the solar system. Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic home.