Some of the planets in our Solar System are gigantic. But what if they got even bigger? Let’s go up the planetary size chart ...

In space, no one can hear you scream. But just because sound can’t travel in the vacuum of space doesn’t mean that the ...

Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is the 5th largest planet in our solar system, lurking out there, waiting to ...

"My contention is that Earth may, if we are lucky and diligent and clever enough, grow an emergent superconsciousness." When you purchase through links on our site, we may earn an affiliate commission ...

An exciting new study titled "Soot Planets instead of Water Worlds", by Jie Li and associates, published in August 2025, challenges prevailing assumptions about the nature of many low-density ...

A visible line of planets has for weeks been the talk of astronomers and hobbyist stargazers who have sought to catch a sight of our solar system's worlds. Online chatter and a frenzy of media ...

Skywatchers who spotted the Jupiter-Venus conjunction on Aug. 12 are in for a dazzling display in the night sky through the end of August, with a "planet parade" building in the eastern sky, with ...

Lucas Brefka receives funding from a NASA Exoplanet Research Program grant. Christopher Palma does not work for, consult, own shares in or receive funding from any company or organization that would ...

Arizona skywatchers, grab your binoculars and look to the western horizon because this week’s parade of planets is serving up a celestial spectacle. Seven planets — Mercury, Mars, Jupiter, Uranus, ...