'Planet Y' theory hints at hidden Earth-size world lurking in the solar system — and it could be much closer to us than 'Planet Nine'

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

4K View Of Neptune Via James Webb Space Telescope

The James Webb Space Telescope's Near-Infrared camera (NIRCam) captured stunning imagery of Neptune. It is the "clearest view ...
Space.com

Uranus and Neptune may not be 'ice giants' after all, new research suggests

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

Ukraine Reveals Neptune Missile Upgrade with Extended-Range Fuel Design

Never before in history has Ukrainian defense been so long-range and so felt by Russia,” declared President Volodymyr Zelenskyy this week, as the curtain was drawn back on Kiev’s newest iteration of ...