Prior to 2040, the last planetary quintuplet occurred in the year 1186, and according to Uptain, records show that the close ...

You can make the case that none of them are in true color. But then again, if they were, they’d be unable to reveal the true nature of objects emitting or reflecting various kinds of otherwise ...

When a star comes to the end of its life and dies, it can be an epic and destructive event, throwing out an explosion of heat and light — but it can create stunning new forms as well. A gorgeous new ...

It’s the year 2400, and the people of the planet Earth are ready to branch out further into the cosmos. Now space travelers ...

K2-360 is a newly found planetary system with a super-dense planet, likely the core of a former larger world, shaped by ...

The clearest look in the infrared yet at the iconic multi-planet system HR 8799. Colors are applied to filters from Webb’s NIRCam (Near-Infrared Camera). A star symbol marks the location of the ...

Mars, the fourth planet from the sun, is a dry, rocky world. Its famous red color has earned it the nickname the Red Planet. Mars has fascinated people throughout history, and today, it is one of ...

The four planets are classified as sub-Earths because each one is about 19% to 34% the mass of Earth, according to new research. “It’s a really exciting find — Barnard’s Star is our cosmic ...