A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and ...

“Overall, our findings challenge the conventional classification of Uranus and Neptune as ’ice giants’ and underscore the ...

The simulation of the Solar System that came the closest to the observation was the presence of a small planet, between the ...

Planets do not emit visible light like stars; they shine in the sky because they reflect sunlight. Exoplanets too reflect ...

Since Pluto was relegated to dwarf planet status, almost everyone has agreed that there are eight planets in our solar system ...

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...

We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...

Some habitable worlds orbiting dead stars could be kept alive for aeons thanks to a quirk of Einstein’s theory of gravity ...

PoET and ESPRESSO telescopes are new tools that will eliminate stellar noise and detect Earth-like planets around Sun-like ...