The mysterious, fabled "Planet 9" will have nowhere to hide once ... upcoming project called the Next Generation Cosmic Microwave Background Experiment, which astronomers hope will shed light ...

Almost a decade after astronomers proposed the existence of Planet 9, an unseen extra planet in the distant reaches of the solar system, they still haven’t all agreed whether it’s real or not.

Back in 2016, scientists thought they'd come across a planet hanging out with three suns. Turns out that was wrong. Eric Mack has been a CNET contributor since 2011. Eric and his family live 100% ...

They call the planet “Proxima B ... because there's no friction in space, of course. And so ultimately you can develop some real speed. And, potentially, some ideas on the drawing board ...

a geologically active lava planet. The real 40 Eridani system is a triple star system, with Eridani A as its primary star accompanied by a red and a white dwarf star, named respectively Eridani B ...